To estimate the quotient of 5,401 ÷ 8, Mona used 5,600 as a compatible number. Her estimate will be an Overestimate or an undere
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Answer:
117 units
Step-by-step explanation:
if you use the ratio of the two longest sides then you can find all side lengths
=
; x = half of 52, or 26
=
; 20x = 52 · 15
20x = 780
x = 39
add to get perimeter: 52 + 26 + 39 = 117 units