Square metre
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If you have the lengths of the two sides and a diagonal, then you can use Heron's formula to find the area of one triangle and double it for the area of the parallelogram.If you have two sides and an angle, then area = a*b*sin(C).
Area = vertical height x base Be certain it's the vertical height and not the length of one of the edges you're using. If you have the lengths of 2 sides and the angle between them, you can use this formula: Area = xy * sin A Just multiply the two lengths together and multiply that by the sine of the angle between them.
Hopefully you've been given the parallelogram's area. If so you can use the following formula: Area of parallelogram = base length x altitude therefore altitude = area of parallelogram (divided by) base length
Area = Base x Height A = B x H
what kind of measurement to use when finding the area of a 2d shape