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Mathematics 21 Online
OpenStudy (anonymous):

help plz

OpenStudy (anonymous):

OpenStudy (anonymous):

I got 157.08 cm^2 as an answer

OpenStudy (anonymous):

@perl

OpenStudy (perl):

the area of the triangle is 1/2 base * height

OpenStudy (anonymous):

yes

OpenStudy (perl):

subtract area of semicircle - area of triangle $$ \bf \frac12 \cdot \pi (5)^2 - \frac{1}{2}\cdot 8 \cdot 6 $$

OpenStudy (anonymous):

ok very thank you

OpenStudy (anonymous):

the final answer is 15.27

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