Answer:
Step-by-step explanation:
I think similar aa
Answer:
Step-by-step explanation:
Use the cosine ratio, adjacent over hypotenuse. Plug in the values
cos70=x/25.5
Isolate x. Multiply both sides by 25.5
x=25.5*cos70
Enter the equation into a calculator
Answer:
5
Step-by-step explanation:
Answer:
30
Step-by-step explanation:
21 + 9 = 30
The correct answer is 60cm^2 because the area of a triangle is half base*height -> 30/2*40
