Triangle C has a base of 10 feet and a height of 10 feet. Model the area equation for a triangle by decomposing and rearranging to find the area of triangle C .(1 point)
Responses
200 square feet
200 square feet
100 square feet
100 square feet
50 feet
50 feet
50 square feet
100 square feet
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An illustration shows a 5 by 10 grid labeled Triangle C. Triangle C is graphed on the grid.
Use decomposition and rearranging to model the area formula of triangle C . What is the area of triangle C in square units?(1 point)
Responses
20 units
20 units
80 square units
80 square units
40 square units
40 square units
20 square units
The area of triangle C is 20 square units.
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A photograph shows a triangular sign board with an exclamation mark and text as ‘hazard” below it.
Source: mindscanner/Shutterstock
A safety sign is a triangular shape and has a base of 28 inches and a height of 20 inches. Use the triangle area formula to find the number of square inches of metal needed to make the sign.
(1 point)
Responses
To make the sign, 280 square inches of metal are needed.
To make the sign, 280 square inches of metal are needed.
To make the sign, 1,120 square inches of metal are needed.
To make the sign, 1,120 square inches of metal are needed.
To make the sign, 560 square inches of metal are needed.
To make the sign, 560 square inches of metal are needed.
To make the sign, 48 square inches of metal are needed.
To make the sign, 48 square inches of metal are needed.
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To make the sign, 280 square inches of metal are needed.
Use the image to answer the question.
An illustration shows an 8 by 19 grid. A triangle is graphed. The base is labeled b equals 17. The height is indicated by a dashed vertical line segment from the top vertex to the base and is labeled h equals 6.
Use the area of a triangle formula to find the area of a triangle with a base of 17 yards and a height of 6 yards.
(1 point)
Responses
The area of the triangle is 51 square yards.
The area of the triangle is 51 square yards.
The area of the triangle is 204 square yards.
The area of the triangle is 204 square yards.
The area of the triangle is 23 square yards.
The area of the triangle is 23 square yards.
The area of the triangle is 102 square yards.