4 years ago

How do you find the perimeter of an equilateral triangle when given area

Mathematics

1 answer:

GrogVix [38]4 years ago

6 0

Step-by-step explanation:

To find perimeter, you need to add all the sides of the shape.

The area of a traingle is 1/2 bh.

You must find the "b" in order to find the perimeter.

Example:

A triangle has an area of 18 cm^2.

Therefore, the triangle has a 6 cm base and 6 cm height.

Then multiply the base by three to get 18 cm. That is your perimeter.

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Write an equation os the line that passes through the givin points (-2,7) (3,-3)

ryzh [129]

(-2,7)(3,-3)
slope(m) = (-3-7) / (3 - (-2) = -10/(3 + 2) = -10/5 = -2

y = mx + b
slope(m) = -2
use either of ur points (-2,7)...x = -2 and y = 7
now sub and find b, the y int
7 = -2(-2) + b
7 = 4 + b
7 - 4 = b
3 = b

so ur equation is : y = -2x + 3 or 2x + y = 3

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3 years ago

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jasenka [17]

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3 years ago

I need help with this problem please I’m not sure what to do

Gnom [1K]

Answer:

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