Answer:
21
Step-by-step explanation:
You have to find the square root.
Answer:
55 cm²
Step-by-step explanation:
side length of square = perimeter/4 = 40/4 = 10 cm.
area of square = side x side = 10 x 10 = 100 cm²
area of triangle #1 = 1/2bh = 1/2(3)(10) = 15
area of triangle #2 = 1/2bh = 1/2(6)(10) = 30
100 - 15 - 30 = 55 cm²
Answer:the answer is a.
Step-by-step explanation:i just took a test with this question on it.
Answer:
ok what do u want me to find sir.
Step-by-step explanation:
explain and i will answer.