Area of Squares and Rectangles
A square has a length of 8 cm. What is its area?
64 cm squared.
What is the surface area of a cube with a length of 8 m?
384 m squared.
A circle has a radius of 6 km. What is its area?
113.04 km squared.
A square has a length of 12 m. What is its perimeter?
48 m.
A parallelogram has a base of 18 m and a height of 3 m. What is its area?
54 m squared.
A rectangle has a length of 10 cm and a height of 20 cm. What is its area?
120 cm squared.
What is the surface area of the top of the rectangular prism? I will draw on the board.
10 mm.
A circle has a radius of 8.9 mm. What is its area to the nearest tenth (one decimal place)?
248.7 mm squared.
Length = 12 mm
Width = 4 mm
What is its perimeter?
32 mm.
A triangle has a base of 12 mm and a height of 4 mm. What is its area?
25 mm squared.
A square has an area of 160 cm. What is the length of its sides?
40 cm.
What is the surface area of the two triangles in this triangular prism?
24 m squared.
A circle has a diameter of 24 cm. What is its radius?
12 cm.
A rectangle measures 22.5 cm long and 7.5 cm heigh. What is its perimeter?
60 cm.
A triangle has a length of 22 km and a height of 12 km. What is the area of the triangle?
132 km squared.
A rectangle has a length of 7 cm and an area of 98 cm squared. What is the missing length?
14 cm.
What is the surface area of the bottom of this triangular prism?
480 m squared.
A circle has a diameter of 12.5 cm. What is its area to the nearest tenth (one decimal place)?
122.7 cm squared.
Draw two rectangles with the same area but with different perimeters.
Teacher to check.
Rhombus draw! What is the area of the rhombus that I draw on the board?
45 cm squared.
A rectangle has an area of 112 m and a height of 2.5 m. What is the length?
44.8 m.
What is the surface area of the triangular prism? I will draw.
184 m squared.
A circle has a diameter of 50.24 cm squared. What is its radius?
4 cm.
Draw two rectangles with the same perimeter but different areas.
Teacher to check.
Trapezoid draw! I will draw a trapezoid on the board. What is its area?
14.1 cm squared.