Question

13. If in two triangles DEF and PQR, ZD = ZQ and ZR = ZE, then which of the following is not

true?

14. If ΔABC ~ ΔPQR, then is

(a) 9

(b) 3

(c) 1/3

(d) 1/9

15. If ΔABC ~ ΔQRP, , AB = 18 cm and BC = 15 cm, then PR is equal to

(a) 10 cm

(b) 12 cm

(c) cm

(d) 8 cm

16. If in triangles ABC and DEF, , then they will be similar, if

(a) ∠B = ∠E

(b) ∠A = ∠D

(c) ∠B = ∠D

(d) ∠A = ∠F

17. In the given figure, and ∠ADC = 70° ∠BAC =

(a) 70°

(b) 50°

(c) 80°

(d) 60°​

Answer 1

Answer:

a. 9

b. 12 cm

c .<B = <D

d. 60 °