Answer:
<h2>A = 177 cm²</h2>
Step-by-step explanation:
A diameter is two times longer than a radius. Therefore, if the diameter
d = 15cm, then the radius r = (15cm) : 2 = 7.5cm.
The formula of an area of a circle:

Substitute:


Then

Answer:
One car was going 45 mph and the other was going 55 mph
Step-by-step explanation:
Answer:
3.)138
4.) 149
Step-by-step explanation:
you add the two inside measures together.
Answer:
X-3=Y
Step-by-step explanation:
-3-3=-6
1-3=-2
5-3=2
9-3=6
Answer:
its pretty simple
Step-by-step explanation:
8 x 8 x 4, so (8 x 8) x 4
64 x 4 = 256