(predicted value - exact value)/exact value * 100
(31 - 34)/34 * 100 = 8.8%
Answer:
Given:
.
Assuming that
,
while
.
Step-by-step explanation:
By the Pythagorean identity
.
Assuming that
,
.
Rearrange the Pythagorean identity to find an expression for
.
.
Given that
:
.
Hence,
would be:
.
Answer:
Tangent = opposite / adjacent
Tangent of 45º equals 1
Step-by-step explanation:

Factor square root of 32: 2^5/2.
Factor 4: 2^2

Cancel 2 1/2= 2 1/2.
2 1/2= square root of 2.
Answer: 
Hope this helps :)
Im assuming the height is dropped so that it is the halfway point. this would then make the base 5cm, with a height of 12cm. if that is the case then the answer should be 13