CTET Paper II (Upper Primary: Class 6-8)

Geometry - Lines Angles Triangles Congruence Similarity Theorems question bank (Mathematics & Science)

Practice 113 free CTET Paper II (Upper Primary: Class 6-8) Mathematics & Science - Geometry - Lines Angles Triangles Congruence Similarity Theorems questions with answers and step-by-step solutions.

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Q1.

In a triangle ABC, if the bisectors of angle B and angle C meet at a point O inside the triangle, and angle A is 70 degrees, what is the measure of angle BOC?

Topic: Geometry - Lines Angles Triangles Congruence Similarity Theorems | Source: AI Generated (CTET Paper II (Upper Primary: Class 6-8))

(A)

115 degrees

(B)

125 degrees

(C)

135 degrees

(D)

140 degrees

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Q2.

A mathematics teacher wants to introduce the concept of congruence of triangles using hands-on activity. Which of the following is the most appropriate approach according to constructivist pedagogy?

Topic: Geometry - Lines Angles Triangles Congruence Similarity Theorems | Source: AI Generated (CTET Paper II (Upper Primary: Class 6-8))

(A)

Derive all the congruence criteria formally on the blackboard first.

(B)

Ask students to cut identical triangles from coloured paper and overlap them to check superposition.

(C)

Make students memorize SSS, SAS, ASA, and RHS criteria with proofs.

(D)

Give a worksheet with numerical problems on triangle sides and angles.

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