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neariah24
31.01.2020 •
Mathematics
The perimeter of a triangle is 510 ft and the sides are in the ratio of 11: 16: 24. find the area of the triangle. need , is there a specific formula for this?
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Ответ:
The side lengths are in the ratio 11:16:24, so let them be
11k, 16k, and 24k for some number k.
11k+16k+24k=510
k(11+16+24)=510
51k=510
k=10
so the actual sides are 110, 160 and 240 feet.
2.
There is a famous formula, called Heron's formula, which calculates the area of a triangle, given its sides a, b and c.
we first calculate the half perimeter, which we usually denote by u:
then the theorem states that the area A is as follows:
3.
In our case:
D 7,258.745 ft squared
Ответ:
67 degrees
Step-by-step explanation: