Answer:
Step-by-step explanation:
How do you solve a rectangle word problem?
The area A of a rectangle is given by the formula, A=lw , where l is the length and w is the width. Given that, the area is 500 square feet and the width is 20 feet. So, substitute these values into the formula. Divide each side by 20 to isolate l .
Answer:
Step-by-step explanation:
we know that
The sum of the interior angles in any triangle must be equal to 180 degrees
so
----> equation a
----> equation b
----> equation c
Solve the system by substitution
Substitute equation b and equation c in equation a
Solve for A
Find the measure of angle B
Find the measure of angle C