Question

A shape is made of 12 right triangles of equal size.Each right triangles has a base of 4cm and a height of 5 cm.What is the total area,in square centimeter,of the shape?

Answer 1

120

1/2(4×5) becuase of the formula for the area of a triangle gets you 10 cm^2 for the area if each triangle. There are 12, so you multiply it by 10 to get 120.