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Well for a triangle A= (1/2)•B•H

I'm assuming they gave you the base measurement. So you want to get H alone. You'd first move the (1/2) by manipulating the equation. Multiply each side by 2.

So 2A=B•H.

Then, you manipulate the equation further to get H alone so that you can find the height. Divide each side by B.

So (2A)/B = H.

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11y ago

What else can I help you with?