R=4 because 20-4 = 16 and 4 times 4 = 16
Do it on a calculator in estimate it's 26.6
Perimeter - the length of all the sides
7+5+7+5=24
24 inches.
Answer:
49cm^2
Step-by-step explanation:
The perimeter is just a continuous line which forms the boundaries of a geometric figure.
The perimeter is just all the sides added up.
12cm+10cm+10cm+8cm+6cm+3cm = 49cm^2
-2x and 4x
and x2 so tats it