# Triangles MCQ Questions for Class 10 Math’s Chapter 6 with Answers

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## Q1. The ratio of the areas of two similar triangles is equal to the:​

(A) square of the ratio of their corresponding sides.
(B) the ratio of their corresponding sides
(C) square of the ratio of their corresponding angles
(D) None of the above

(A) 15 cm
(B) 10√2 cm
(C) 20 cm
(D) 12 cm

(A) 2: 3
(B) 4: 9
(C) 81: 16
(D) 16: 81

(A) 2.5
(B) 3
(C) 5
(D) 6

(A) 1:2
(B) 1:1
(C) 1:3
(D) 2:

(A) 6
(B) 4
(C) 10
(D) 5

## Q7. O is a point on side PQ of a APQR such that PO = QO = RO, then

(A) RS² = PR × QR
(B) PR² + QR² = PQ²
(C) QR² = QO² + RO²
(D) PO² + RO² = PR²

(A) 6.3 cm
(B) 8.4 cm
(C) 2.1 cm
(D) 10.5 cm

## Q9. Which of the following triangles have the same side lengths?

(A) Scalene
(B) Isosceles
(C) Equilateral
(D) None of these

(A) 9 cm
(B) 14 cm
(C) 10 cm
(D) 12 cm

## Q11. Two circles are always

(A) similar but may not be congruent
(B) none of these
(C) congruent
(D) neither similar nor congruent

(A) 20cm
(B) 8cm
(C) 10cm
(D) 9cm

(A) 50°
(B) 60°
(C) 40°
(D) 70°

(A) 9 cm
(B) 14 cm
(C) 10 cm
(D) 12 cm

(A) 4.33
(B) 3.9
(C) 5
(D) 4

(A) 16 cm
(B) 12 cm
(C) 8 cm
(D) 4 cm

## Q17. If ΔABC ~ ΔDEF and ΔABC is not similar to ΔDEF then which of the following is not true?

(A) BC.EF = AC.FD
(B) AB.ED = AC.DE
(C) BC.DE = AB.EE
(D) BC.DE = AB.FD

(A) 8 cm
(B) 9 cm
(C) 10 cm
(D) 12 cm

(A) 6 cm
(B) 8 cm
(C) 4 cm
(D) 2 cm

## Q20. If perimeter of a triangle is 100cm and the length of two sides are 30cm and 40cm, the length of third side will be:

(A) 30cm
(B) 40cm
(C) 50cm
(D) 60cm

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