CBSE Class 10 Mathematics Triangles Online Test Set B

  Refer to CBSE Class 10 Mathematics Triangles Online Test Set B below. Students of Class 10 can refer to the full list of free Class 10 Triangles Mock Test provided by StudiesToday. These MCQ based online mock tests for Triangles in Grade 10 has been designed based on…

CBSE Class 10 Mathematics Triangles Online Test Set A

  Refer to CBSE Class 10 Mathematics Triangles Online Test Set A below. Students of Class 10 can refer to the full list of free Class 10 Triangles Mock Test provided by StudiesToday. These MCQ based online mock tests for Triangles in Grade 10 has been designed based on…

NCERT Solutions Class 10 Mathematics Chapter 6 Triangles

Exercise 6.1 Q.1) Fill in the blanks using correct word given in the brackets: − (i) All circles are __________. (congruent, similar) (ii) All squares are __________. (similar, congruent) (iii) All __________ triangles are similar. (isosceles, equilateral) (iv) Two polygons…

CBSE Class 10 Mathematics Triangles Notes Set B

  Chapter : TRIANGLES Key contents Two figures are called similar if they have same shape, irrespective of the size. 1. Two triangles are similar if their corresponding angles are equal and corresponding sides are proportional. 2. (AAA similarity) If two triangles…

CBSE Class 10 Mathematics Triangles MCQs

Question: If ABC is a triangle right-angled at B and M, N are the mid-points of AB and BC respectively, then 4(AN2 +CM2) is equal to a) 5AC2 b) 6AC2 c) 4AC2 d) None of these Answer: 5AC2 Question: In ΔPQR, L and M are points on sides PQ and PR respectively…

CBSE Class 10 Mathematics Triangles Worksheet Set H

  Triangles Q.- Prove that the area of the triangle BCE described on one side BC of a square ABCD as base is one half the area of the similar triangle ACF described on the diagonal AC as base.   Sol. ABCD is a square. ΔBCE is described on side BC is similar to…

CBSE Class 10 Mathematics Triangles Worksheet Set G

  Triangles Q.- A vertical stick 20 cm long casts a shadow 6 cm long on the ground. At the same time, a tower casts a shadow 15 m long on the ground. Find the height of the tower. Q.- If a perpendicular is drawn from the vertex containing the right angle of a…

CBSE Class 10 Mathematics Triangles Worksheet Set F

  Triangles Q.- In the figure, E is a point on side CB produced of an isosceles ΔABC with AB = AC. If AD ⊥ BC and EF ⊥ AC, prove that ΔABD ~ ΔECF.   Q.- In figure, ∠ BAC = 90º and segment AD⊥BC. Prove that AD2 = BD × DC.   Q.- …

CBSE Class 10 Mathematics Triangles Worksheet Set E

  Triangles Q.- In figure, ∠CAB = 90º and AD ⊥ BC. If AC = 75 cm, AB = 1 m and BD = 1.25 m,find AD.    Q.-  Q.- Q.- In figure, considering triangles BEP and CPD, prove that BP × PD = EP × PC.   Q.- Q.- P and…

CBSE Class 10 Mathematics Triangles Worksheet Set D

  Triangles  Q.- Prove that the line drawn from the mid-point of one side of a triangle parallel of another side bisects the third side Sol. Given : A ΔABC, in which D is the midpoint of side AB and the line DE is drawn parallel to BC, meeting AC in E. Q…

CBSE Class 10 Mathematics Triangles Worksheet Set C

  TRIANGLES Q.- In fig., if DE || AQ and DF || AR. Prove that EF || QR. Q.- Two triangles ABC and DBC lie on the same side of the base BC. From a point P on BC, PQ || AB and PR || BD are drawn. They meet AC in Q and DC in R respectively. Prove that QR || AD…

CBSE Class 10 Mathematics Triangles Notes Set A

  Class-10 Chapter 6: Triangles Chapter Notes Top Definitions 1. Two geometrical figures are called congruent if they superpose exactly on each other that is they are of same shape and size. 2. Two figures are similar, if they are of the same shape but of different…

CBSE Class 10 Mathematics Triangles Worksheet Set A

Case Study Based Questions I. Rahul is studying in X Standard. He is making a kite to fly it on a Sunday. Few questions came to his mind while making the kite. Give answers to his questions by looking at the figure. Question. Rahul tied the sticks at what angles…

CBSE Class 10 Mathematics Triangles Worksheet Set B

  Triangles Q.- In the given figure PA, QB and RC each is perpendicular to AC such that PA = x,RC = y, QB = z, AB = a and BC = b. Prove that 1/x +1/ y = 1/z.   Q.- In fig., LM || AB. If AL = x – 3, AC = 2x, BM = x – 2 and BC = 2x + 3, find the value of…

CBSE Class 10 Mathematics Triangles Assignment Set B

  IMPORTANT CONCEPTS TAKE A LOOK 1. Similar Triangles:- Two triangles are said to be similar, if (a) Their corresponding angles are equal and (b) Their corresponding sides are in proportion (or are in the same ratio). 2. Basic proportionality Theorem [ or Thales…