Answer:
20 * 4 = 80
Step-by-step explanation:
the answer is 80 cuz you have to multiply 20 ( the square) by 4 ( the number of sides) and you get 80
The answer is d because 42/45 as a percentage is 93
Answer:
x =3 sqrt(3)
Step-by-step explanation:
cos theta = adj/ hyp
cos 60 = x/ 6 sqrt(3)
Multiply each side by 6 sqrt(3)
6 sqrt(3) cos 60 = x/6 sqrt(3)/ 6 sqrt(3)
x =cos 60 * 6 sqrt(3)
x =3 sqrt(3)