Answer:
$13.25
Step-by-step explanation:
Y is less than or equal to -2
The answer is 9 I hope I am not late to this question sorry if I am wrong,
The sum of the 3 angles in a triangle is 180 , from the name you can know that it will have 3 equal angles which will be 60 degrees each as 180÷3=60
A =

A = 3.14/4 x 10^2 = 78.5 inches square
Hope this helps.