Answer:
It's b: a = 10√3, b = 5√3 , c = 15 and d = 5.
Step-by-step explanation:
We have two 30-60-90 triangles here so the sides are in the ratio 2:1:√3.
Consider the small triangle whose hypotenuse is 10:
1/2 = d/10
d = 10/2 = 5.
b / 10 = √3 /2
b = 10√3/2 = 5√3.
Now, the larger triangle to the left:
2 / 1 = a / 5√3
a = 10√3.
2 / √3 = 10√3 / c
c = 30/2 = 15.
