Step-by-step explanation:
<u>Step 1: Cross Multiply</u>
<u>Step 2: Divide both sides by 4</u>
Answer:
21.25
diagonal is 21.25
the area is 216.75
the perimeter is 59.5
24 is the answer 8x3 = 24 12x2 = 24 8*3 = 12*2