Area of Triangles
Find the area of a triangle with a base of 8 cm and height of 5 cm.
20 sq cm
Find the area of a parallelogram with a base of 10 in and height of 6 in.
60 sq in
What is the formula used to find the area of a trapezoid?
A = 1/2(b1 + b2)h
Evaluate 3x + 4 when x = 5.
19
A net for a cube has 6 identical square faces. If one face has an area of 9 cm^2, what is the total surface area?
54 cm^2
A right triangle has legs measuring 6 ft and 4 ft. What is its area?
12 sq ft
A parallelogram has a base of 12 cm and a height of 7 cm. What is its area?
84 sq cm
A trapezoid has parallel bases of 6 cm and 10 cm, and a height of 4 cm. What is its area?
32 sq cm
Write an algebraic expression for "7 less than the product of 4 and x".
4x - 7
A rectangular prism net consists of two 3x4 rectangles, two 3x5 rectangles, and two 4x5 rectangles. What is the total surface area?
94 sq units
A triangle has a base of 14 m, a height of 9 m, and a side length of 11 m. What is its area?
63 sq m
A parallelogram has an area of 48 sq ft and a base of 8 ft. What is its height?
6 Ft.
A trapezoid has bases measuring 5 in and 9 in, with a height of 6 in. What is its area?
42 sq in
Apply the distributive property to simplify 5(2x + 3).
10x + 15
A triangular prism net has two triangular bases (base 6 in, height 4 in) and three rectangular faces that are 6x10 in each. What is the total surface area?
204 sq in
If the area of a triangle is 36 sq in and the base is 12 in, what is the height?
6 in.
A rhombus (a type of parallelogram) has a base of 9.5 cm and a height of 4 cm. What is its area?
38 sq cm
A trapezoid has an area of 50 sq m. The two bases are 7 m and 13 m. What is the height?
5m
Combine like terms: 4x + 7 + 3x - 2 + y.
7x + y + 5
A square pyramid net has a square base with side length 5 cm, and four triangular faces with base 5 cm and height 8 cm. What is the surface area?
105 cm^2
A triangle has a base of 8.4 cm and a height of 5.5 cm. What is its area?
23.1 sq cm
A floor tile shaped like a parallelogram has a base of 1.5 ft and a height of 0.8 ft. What is its area?
1.2 sq ft
One base of a trapezoid is double the length of the other. The height is 8 cm, and the area is 72 sq cm. Find the length of both bases.
6 cm and 12 cm
Evaluate 2a^2 - 3b when a = 4 and b = 5.
17
An open-top box (no lid) net is made of four 4x6 rectangular sides and one 4x4 square bottom. What is the surface area of the net?
112 sq units