Question

MIRROR IMAGES: A magic mirror enlarges the things 2 times. A triangle of side 3 cm, 4 cm, 5 cm is put in front of the mirror.

1. Find the ratio of area of first triangle and enlarged triangle?
a. 3:2
b. 2:3
c. 4:1
d. 1:4​

Answer 1

Answer:

d. 1:4

Step-by-step explanation:

Area of first triangle = 1/2 x (3+4+5) = 6cm²

Area of second triangle = 1/2 x (6+8+10) = 24 cm²

So, 1st triangle's area : 2nd triangle's area = 6:24 = 1:4

So, option d is correct.