Answer:
The answer is 9
Step-by-step explanation:
39X39 is 1521
1521/169=9
so carmen needs 9 cans of paint
19,27 cm^2
area of triangle = (6 x 3)/ 2 = 9 cm^2
circle area : 3^2 x 3,14 = 28,27 cm^2
area of shaped region = 28,27 - 9 = 19,27 cm^2
(4x - 10) + x = 90 degrees
x = 20
The answer is A.