NCERT Solutions for Class 5 Math: Chapter 06 Angles Set 25
Access comprehensive textbook solutions for Chapter 06 Angles Set 25 using the official curriculum guides for Class 5 Math. Designed to align with the 2026-27 MSBSHSE standards, these detailed answers help students reinforce core academic concepts.
Practice Class 5 Math Solutions: Chapter 06 Angles Set 25
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Question 1. Measure the angles given below and write the measure in the given boxes.
ℹ️ चित्र व्याख्या (Diagram Explanation): चार अलग-अलग कोण दर्शाए गए हैं, प्रत्येक के नीचे एक खाली बॉक्स है जहाँ कोण का माप लिखा जाना है। पहला कोण लगभग 40 डिग्री का तीव्र कोण है, दूसरा लगभग 120 डिग्री का अधिक कोण है, तीसरा 90 डिग्री का समकोण है, और चौथा लगभग 85 डिग्री का तीव्र कोण है।
Answer:
(1) 40°
(2) 120°
(3) 90°
(4) 85°
In simple words: The task is to visually estimate or use a protractor to find the degree measure of four different angles shown in the diagrams and fill in the blanks. The angles provided are acute, obtuse, and a right angle.
🎯 Exam Tip: Accuracy in measuring angles using a protractor is crucial for scoring well in geometry questions.
Drawing An Angle Of The Given Measure
Example Draw ∠ABC of measure 70°.
B is the vertex of∠ABC and BA and BC are its arms.
1. First draw arm BC with a ruler.
ℹ️ चित्र व्याख्या (Diagram Explanation): एक सीधी रेखा खंड BC खींचा गया है, जो एक कोण की भुजा का प्रतिनिधित्व करता है।
2. Since B is the vertex, we must draw a 70° angle at that point.
ℹ️ चित्र व्याख्या (Diagram Explanation): एक चांदा (protractor) को बिंदु B पर केंद्रित किया गया है, जिसकी आधार रेखा भुजा BC पर स्थित है। 70 डिग्री के निशान पर एक बिंदु अंकित किया गया है, जो कोण की दूसरी भुजा की दिशा को इंगित करता है।
Put the centre of the protractor on B. Place the protractor so that the baseline lies on arm BC. Count the divisions starting from the 0 near point C. Mark a point with your pencil at the division that shows 70°. Lift the protractor.
Draw a line from vertex B through the point marking the 70° angle. Name the other end of the line A.
ℹ️ चित्र व्याख्या (Diagram Explanation): बिंदु B से 70 डिग्री के निशान वाले बिंदु तक एक रेखा खींची गई है, जिससे कोण ABC बना है। कोण का माप 70 डिग्री दर्शाया गया है।
∠ABC is an angle of measure 700.
Rahul and Sayali drew ∠PQR of measure 800 as shown below.
ℹ️ चित्र व्याख्या (Diagram Explanation): दो चित्र दिखाए गए हैं: 'राहुल का कोण' और 'सायली का कोण'। दोनों में एक चांदा (protractor) का उपयोग करके 80 डिग्री का कोण PQR बनाने का प्रयास किया गया है। राहुल के चित्र में कोण का माप बाईं ओर से गिना गया है, जो गलत है, जबकि सायली के चित्र में दाईं ओर से गिना गया है, जो सही है।
Teacher: Have Rahul and Sayali drawn the angles correctly?
Shalaka: Sir, Rahul's angle is wrong. Sayali's angle is correct.
Teacher: Why is Rahul's angle wrong?
Rahul : I counted 10, 20, 30... from the left and drew the angle at 80.
Teacher : Rahul measured the angle from the left. Under the baseline on the left of Q, there is nothing. The arm of the angle is on the right of Q. Therefore, the point should have been marked 80° counting from the right side, that is, on the side on which point R lies.
Angles Problem Set 25 Additional Important Questions And Answers
Question 2. Measure the angle given below.
ℹ️ चित्र व्याख्या (Diagram Explanation): एक तीव्र कोण दर्शाया गया है जिसका शीर्ष नीचे की ओर है और भुजाएँ ऊपर की ओर फैली हुई हैं।
Answer: 60°
In simple words: The diagram shows an acute angle which measures 60 degrees.
🎯 Exam Tip: Practice identifying acute, obtuse, and right angles visually to quickly estimate their measures.
Question 3. Measure the angle given below.
ℹ️ चित्र व्याख्या (Diagram Explanation): एक अधिक कोण दर्शाया गया है जिसका शीर्ष बाईं ओर है और भुजाएँ ऊपर और दाईं ओर फैली हुई हैं।
Answer: 110°
In simple words: The diagram displays an obtuse angle that measures 110 degrees.
🎯 Exam Tip: Remember that obtuse angles are greater than 90 degrees but less than 180 degrees.
Question 4. Measure the angle given below.
ℹ️ चित्र व्याख्या (Diagram Explanation): एक अधिक कोण दर्शाया गया है जिसका शीर्ष बाईं ओर है और भुजाएँ ऊपर और नीचे की ओर फैली हुई हैं।
Answer: 100°
In simple words: The image shows an obtuse angle with a measurement of 100 degrees.
🎯 Exam Tip: Ensure your protractor is correctly aligned at the vertex and along one arm to get an accurate reading.
Question 5. Measure the angle given below.
ℹ️ चित्र व्याख्या (Diagram Explanation): एक समकोण दर्शाया गया है जिसका शीर्ष बाईं ओर है और भुजाएँ ऊपर और दाईं ओर लंबवत फैली हुई हैं।
Answer: 90°
In simple words: The diagram represents a right angle, which by definition measures exactly 90 degrees.
🎯 Exam Tip: A square symbol at the vertex of an angle always indicates a right angle (90 degrees).
Free MSBSHSE Textbook Explanations: Class 5 Math Chapter 06 Angles Set 25
Textbook Solutions for Class 5 Math Chapter 06 Angles Set 25
Review comprehensive exercise answers for Class 5 Math Chapter 06 Angles Set 25. Fully updated to match current MSBSHSE syllabus guidelines, these textbook solutions help students verify their work and maintain accurate study notes.
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The complete and updated Maharashtra Board Class 5 Maths Chapter 6 Angles Set 25 Solutions is available for free on StudiesToday.com. These solutions for Class 5 Math are as per latest MSBSHSE curriculum.
Yes, our experts have revised the Maharashtra Board Class 5 Maths Chapter 6 Angles Set 25 Solutions as per 2026 exam pattern. All textbook exercises have been solved and have added explanation about how the Math concepts are applied in case-study and assertion-reasoning questions.
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