<u>Answer</u>
4m
<u>Explanation</u>
Δqrp is a right triangle.
If ps = 6m then, qp = 3m. So we can find line pr using pythagoras theorem.
rp = √(5²-3²) = √16 = 4m
The Δqrp≡Δqtp.
40 percent is .4
.4 * 9999= 3999.6
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One way of estimating is to Round the numbers to the nearest whole number.
Hope this helps!
I would say D. I counted them and got 17 full squares and added the half’s.