CBSE Class 7 Mathematics Triangle And Its Properties Worksheet Set A

CBSE Clas 7 Maths Worksheet - Triangle and its Properties (1). Revision worksheets, Sample papers, Question banks and easy to learn study notes for all classes and subjects based on CBSE and CCE guidelines. Students and parents can download free a collection of all study material issued by various best schools in India. The study material has been carefully compiled by the best teachers in India. The students should practice the questions database to get better marks in examination. Please refer to other links for free download of high quality study material. Based on CBSE and CCE guidelines. Based on the same pattern as released by CBSE every year. Study material for final/ term/ SA1/ SA2 Examinations conducted by various schools affiliated to Central Board of Secondary Education (CBSE) in India and abroad. CBSE Study material has been compiled to help students preparation which will helps the students to concentrate more in areas which carry more marks.

Question. Two angles of a triangle are equal and third angle is smaller than others by 15°. Find the angles.
Answer : 65, 65, 50

Question. Two sides of a triangle are 11 cm and 5.5 cm. What will be the minimum length of the third side?
Answer : More than 5.5 cm

Question. A ladder 25m long reaches a window of a building 20m above the ground. Find the distance between foot of the ladder and building
Answer : 15 m

Question. Length and breadth of a rectangle are 24 cm and 10 cm. Find its diagonal.
Answer : 26 cm

Question. What is the position of the point-of concurrence of all the medians in a right-angled triangle
Answer : Inside the Δ

Question. Two sides of a triangle are 10cm and 15 cm. What will be the maximum length of third side?
Answer : Less than 25

Question. Diagonals of a rhombus are 6cm and 8cm. What will be the perimeter of such rhombus?
Answer : 20 cm

Question. Triangle ABC is an isosceles right triangle. Find all the angles of the triangle.
Answer : 90, 45, 45

Question. Three angles of a triangle are x – 10°, x + 20°, 2x – 30°. Find each angle
Answer : 40, 70, 70

Question. A man goes 15m due west and then 8 m due north. How far is he from the starting point?
Answer : 17 m

Question. What is the location of the point of concurrence of altitudes in an obtuse angled triangle?
What is this point of concurrence called?
Answer : Orthocentre outside the Δ

Question. Find out from the given sides of a triangle which will form a right-angled triangle?
(a) 15, 10.25;
(b) 27, 36, 39; 
(c) 15, 36, 39
(d) 7, 24, 25
Answer : (d) 7, 24, 25

Question. In an equilateral triangle, altitudes are drawn. Name the point where altitudes of the triangle meet
Answer : orthocentre

Question. Angles of a triangle are in the ratio 8 : 12 : 16. Find the angles
Answer : 40, 60, 80

Question. A boy is flying a kite with 100 m long thread. The perpendicular height of the kite distance between the boy and the point from which the height of kite is measured.
Answer : 60 m

Question. Length of a diagonal of a square is 18√2m. Find the perimeter of the square
Answer : 72

Question. (i) Incentre of an obtuse-angled triangle lies in ............... of triangle.
(ii) Orthocentre of an obtuse-angled triangle lies in ............... of triangle.
(iii) Median of an obtuse-angled triangle lies in ............... of triangle.
(iv) Perpendicular bisectors of the sides of a triangle meet at ................ .
Answer : (i) Exterior (ii) Exterior, (iii) Interior, (iv) circumcentre

Question. In an isosceles ABC, AB = AC and ∠B = 4∠A. Find the angles of the triangle.
Answer : 20, 80, 80.

Question. A man goes 30 m due east and then 40 m due north. Find his distance from the starting point.
Answer : 50 m

Please refer to attached file for CBSE Clas 7 Maths Worksheet - Triangle and its Properties (1)