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genyjoannerubiera
05.05.2020 •
Mathematics
Find the perimeter and area of the figure.
5 m
12 m
The perimeter is
meters.
The area is
square meters.
Solved
Show answers
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Ответ:
p=30
a=30
Step-by-step explanation:
use pythagorean theorem to find the third side (you can use this bc its a right triangle)
5^2 + 12^2 = c^2
25+144=c^2
169=c^2
13=c
perimeter = 5 + 12 + 13 = 30
using heron's formula where s equals half the perimeter =15
square root[s(s-a)(s-b)(s-c)]
square root[15(15-5)(15-12)(15-13)]
square root[15(10)(3)(2)]
square root[900]
30
Ответ: