Respuesta :

qieusjnd
The area of a triangle is b + h divided by 2.
5 is the base 4 is the height so, 4x5=20 and 20/2 =10
so 10 is the answer.
Triangle:half of base x height which is 10
Parallelogram: base x height which is 54
Trapezoid: half of base1 + base2 x height which is 17.25

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