NCERT Mathematics Class 9 Exemplar Ch 7 Triangles Part 2

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8. Two sides of a triangle are of lengths and. The length of the third side of the triangle cannot be

(A)

(B)

(C)

(D)

Answer: D

9. In ∆ PQR, if , then

(A)

(B)

(C)

(D)

Answer: B

10. In triangles ABC and PQR, , and . The two triangles are

(A) Isosceles but not congruent

(B) Isosceles and congruent

(C) Congruent but not isosceles

(D) Neither congruent nor isosceles

Answer: A

11. In triangles ABC and DEF, and. The two triangles will be congruent by SAS axiom if

(A)

(B)

(C)

(D)

Answer: B