What’s the area of the rectangle marked with a question mark in the figure below?
Three rectangles are in a row, as shown below. The first and second rectangles have a combined width equal to 7 m. The second and third have a combined width equal to 8 m. If the first rectangle has an area equal to 20 m2 and the third has an area equal to 25 m2, what is the area of the second rectangle?
In rectangle ABCD, a semicircle CPS is drawn as shown below. The semicircle’s diameter is shared with and extends beyond side BC, it intersects side AB at Q, and it is tangent to side AD at S. If CQ = 10, what is the area of rectangle ABCD?
Seven circles, each with radius 1, overlap to form the composite figure shown below. Find the area of shaded region?
A rectangle measures 17 units by 26 units and contains 7 squares, as shown below. What is the area of a single square?
Find the area of the blue shaded region in this 14x7 rectangle, with two semicircles of radius 7 drawn.