Halve the triangle and square the base and the height. e.g the base is 14cm and the height is 45cm.
You would need to square 14 and 45 and add them together.
you would get 2221cm.
After you got that answer, square rout it which would give you 47.13.
Now go try it with the problem that you have.
Good lUck and have a good day.
if you need any more help just email me on sammy.long@hotmail.com
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