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20.04.2021 •
Mathematics
Find the area of a triangle
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Ответ:
B.17.5cm²
Step-by-step explanation:
S=a+b+c/2=
5+8+7/2=10
S=10
Area of the triangle=
⇒
⇒
⇒
⇒17.5cm²
hope it helps...
have a great day!!
Ответ:
a)13
b)F(x)=1/f(x) = 2/ x^2-3
c) 1/59