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how do you find the height of a triangle when all you have is the base, length and area?

Guest May 25, 2017
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#1
+4168
+1

area = (1/2) * base * height

For example....if we know that    base = 5    and   area = 10 sq units,    then

10 = (1/2) * 5 * height

10 = 5/2 * height

Multiply both sides of the equation by 2/5 .

10 * 2/5 = height

4 = height

hectictar  May 25, 2017
#2
+1

thank you SO much. nothing else was giving me a straight answer, so this was my last resort. thanks alot

Guest May 25, 2017
#3
+4168
+2

Also....you can say

a = (1/2)bh          , where a is area, b is base, and h is height

Divide both sides of this equation by b

a/b = (1/2)h

Multiply both sides of this equation by 2.

2a/b = h

Now you can just plug in what you know for "a" and "b" and and solve for h

hectictar  May 25, 2017
#4
+318
+1

10 = (1/2) * 5 * height
10 = 5/2 * height

Multiply both sides of the equation by 2/5.
10 * 2/5 = height
4 = height

#5
+1

mutiply 0.5*(BxH)=A

Guest May 26, 2017

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