natalie857123
23.06.2019 •
Mathematics
Construct a triangle abc in which bc =5.6 cm ac - ab=1.6 cm and angle b =45°
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Ответ:
9514 1404 393
522 in²
Step-by-step explanation:
The area of a regular polygon is given by the formula ...
A = 1/2Pa
where P is the perimeter and 'a' is the apothem. Using the given values, we find the area to be ...
A = 1/2(5·17.4 in)(12 in) = 522 in²