What grade are you in?
I need to know so that I can help you out.
The answer is going to be 250
Answer:

Step-by-step explanation:
Given

See attachment
Required
Explain and correct the error
The error in the equation is that: the formula of cosine of angle A is used to calculate the sine of angle A.
The ratio can be corrected as by using:



Answer:
7tifi6diyd8ydiy
Step-by-step explanation:
ust75dutsjtsutxxhtshfxhrsfhzyrahrsursusutsutsuttus5usutsutxtu
Answer:
the base/width is 7
Step-by-step explanation:
it is 7 because it is half the length from corner to corner