lilianamichelle41
10.03.2021 •
Mathematics
Someone please help with these two — find the area of the isosceles triangle
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Ответ:
15 feet
Step-by-step explanation:
if the dog run is a rectangles then the formula for the perimeter is 2h+2l
if we plug in the numbers we know we get this:
2h+2(5)=40
2h+10=40
2h=30
h=15