b.l.m
Look at the formula for the area of a triangle.
A
=
1
---
2
bh
Which is a solution for h?
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b.l.m
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a= 1/2bh
vf321
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If you want to get h all by itself, you need to make everything that is multiplied with it 1. For instance, if I want to solve for x:
\[z=3x\]Multiply both sides by 1/3\[(1/3)z=(1/3)3x\]\[z/3=1x\]\[\frac{z}{3}=x\]
b.l.m
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okay can you show me the steps to solvin mine
vf321
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Well I'm not going to do it for you but if you compare to mine, what will make a 1/2 become a 1?
b.l.m
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ooh um subtract? i suck at math excuse me if i wrong
vf321
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No. What multiplied with 1/2 makes 1?
b.l.m
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idk x*(1/2)=1
vf321
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Ugh. no the answer was 2. 2(1/2) = 1. So in the triangle equation multiply by 2 on both sides.
b.l.m
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oh
vf321
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Well, do it and show me what you get. multiply by 2 on both sides of A = 1/2 b h
b.l.m
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multiply by 2 with 1/2?
vf321
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No. multiply by 2 on both sides of the equation.
b.l.m
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whats the equation
vf321
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A = bh/2
b.l.m
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2b * 2h?
vf321
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Oh my god dude. Sorry, this is to tough to handle. I'll just give it to you, since arithmetic is too hard.
\[A = bh/2\]Multiply both sides by 2.
\[2A=bh2/2\]Multiply both sides by 1/b
\[2A/b = bh/b\]
\[2A/b = h\]