Answer:
A
Step-by-step explanation:
Using Pythagoras theorem, we have
x^2+11^2=15^2, x^2=104, x=2*sqrt(26)
Answer:
The distance is equal to 
Step-by-step explanation:
we know that
the formula to calculate the distance between two points is equal to
we have
substitute the values
Simplify
Answer:
His error is multiplying by 4 sides as he thought it was total surface not lateral surface area- the final answer is 12
Step-by-step explanation:
He should have multiplied it by 3, because the 3 sides- not including the base- is what lateral surface area is. He originally did total surface area not lateral surface area so each sides area is 4m squared then you just multiply it by 3 and its 12
If you mean 756.04, the answer is 756.0. 4 is closer to 0.
5 Or More, raise the score
4 Or Less, let it rest
