The length could be 5 and width 3. That would equal 15
Answer:
b = 6.928
Step-by-step explanation:
Looks like a job for the Pythagorean Theorem.
a^2 + b^2 = c^2
4^2 + b^2 = 8^2
16 + b^2 = 64
b^2 = 48
b = 6.928
Hope it helps!!
Answer:
b=14
Step-by-step explanation:
42 divided by 3 is 14
20 is the area
And 18 is the perimeter