The following are the dimensions of a few rectangles. Find the are of the two right triangles that are cut from the rectangles using the formmula of the area of a triangle. A. Lenght= 13.5 m, Breadth=10.5 m B. Lenght=18 m, Breadth=8 cm C. Lenght=1.5 m, Breadth=30 cm

Question
The following are the dimensions of a few rectangles. Find the are of the two right triangles that are cut from the rectangles using the formmula of the area of a triangle.
A. Lenght= 13.5 m, Breadth=10.5 m

2021-03-08
(A )Given length=13.5 m, Breadth=10.5 m
Every rectangle has two equal right triangles.
Area of each right triangle $$\displaystyle=\frac{{1}}{{2}}\times{13.5}\times{10.5}={70.875}{m}^{{2}}$$
(B) Given length=18 m , Breadth=8 m
Every rectangle has two equal right triangles.
Area of each right triangle $$\displaystyle=\frac{{1}}{{2}}\times{18}\times{8}={72}{m}^{{2}}$$
(C) Given length=1.5 m , Breadth=30 cm=30/100=0.3 mZSK
Every rectangle has two equal right triangles.
Area of each right triangle $$\displaystyle=\frac{{1}}{{2}}\times{1.5}\times{0.3}={0.225}{m}^{{2}}$$

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