Question

These are two similar triangles.

What is the measure of y?
20
Х
N
У
8
+
y = [?]
Enter

Answer 1

16

Explanation:

2/8 = x/y (the triangles are similar)

x/y = 1/4

x + y= 1 +4=5

x+y =20

5(a)= 20

a= 4

x=a

y= 4a

so.. x= 4×1=4

y= 4×4=16