Basic Geometry Exercises

Find the area of this shape:

u - shaped irregular figure

Hint

you may want to break it into 3 rectangles

The radius of the circle is 4 cm. Find the area of the yellow section without the equilateral triangle.

circle with an inscrived triangle

Hint

subtract the the area of the triangle from that of the circle

A square garden 10 feet long needs to be surrounded by a walk 2 feet wide on only three of its sides. What is the area of the walk?

Hint

draw that picture!