Answer:
Step-by-step explanation:
the formula for circumference of a circle is 2 x pi x r(radius).
B is your answer!
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You would need to know the dimensions of the pyramid and wether it was triangle or square bottomed
Answer:
73.5 yd squared
Step-by-step explanation:
The formula for finding an area of a triangle is Base x Height divided by 2, so 21 x 7 = 147 and dividing that by 2 gets you 73.5.
Answer: a 68 c57 b55 I think
Step-by-step explanation:
A triangles angles add up too 180 so just subtract the sum and the two angles and you are done.
