Answer:
To figure out the value of a variable you plug it into an equation solve for it using the equation around it.
Answer:
625 pi (no approximation)or 1962.5(approximation)
Step-by-step explanation:
You do pi times radius squared.
It would be 1.65 in decimal form. convert it to fraction and thats your answer
Answer:
30 cm
Step-by-step explanation:
<u>Area of a triangle formula:</u>
A = 0.5bh
<u>Given:</u>
b = 12
c = 5
<u>Work:</u>
A = 0.5bh
A = 0.5(12)(5)
A = 6(5)
A = 30
