Question

What is the value of x?

Enter your answer in the box.

x =____cm

Answer 1

x=5cm

Explanation:

40/x=32/4

cross multiply

32x=160

divide by 32 on bothi sides

32x/32=160/32

x=5

Answer 2

x = 5 cm

Explanation:

We can use proportions of similar triangles. Put the side of the small triangle over the same side of the large triangle

x 4

---------- = -----------

40 32

Using cross products

32x = 4*40

32x = 160

Divide by 32

32x/32 = 160/32

x=5