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Romashka-Z-Leto [24]
3 years ago
10

PLEASE HELP!!!! WILL GIVE BRAINLEST ANSWER FOR MOST DETAILED

Mathematics
1 answer:
aniked [119]3 years ago
4 0
For

S= \frac{a+b+c}{2}
the area is
area= \sqrt{S(S-a)(s-b)(s-c)}

find S
S=(10+11+12)/2=(33)/2=16.5
area= \sqrt{16.5(16.5-10)(16.5-11)(16.5-12)}
area= \sqrt{16.5(6.5)(5.5)(4.5)}
area= \sqrt{2654.444}
area=51.5212
rounded
52 square inches
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