Area of Rectangles and Right Triangles Quick Check
2 of 52 of 5 Items
Question
Use the image to answer the question.
An illustration shows a rectangle of length as whole number 6 start fraction 1 over 2 end fraction centimeters and width as whole number 4 start fraction 1 over 2 end fraction centimeters. The lengths are horizontally positioned and widths are vertically positioned.
Byron calculated the area of the rectangle as 22 square centimeters. What is the error in his reasoning and what is the correct answer?
(1 point)
Responses
Byron found the perimeter of the rectangle. The correct area is 2414 square centimeters.
Byron found the perimeter of the rectangle. The correct area is 24 Start Fraction 1 over 4 End Fraction square centimeters.
Byron found the perimeter of the rectangle. The correct area is 11 square centimeters.
Byron found the perimeter of the rectangle. The correct area is 11 square centimeters.
Byron found the perimeter of the rectangle. The correct area is 2914 square centimeters.
Byron found the perimeter of the rectangle. The correct area is 29 Start Fraction 1 over 4 End Fraction square centimeters.
Byron found the perimeter of the rectangle. The correct area is 22 square centimeters.
Byron found the perimeter of the rectangle. The correct area is 24 1/4 square centimeters.
Find the area of a right triangle with base of 10 centimeters and a height 7.4 centimeters.(1 point)
Responses
34.8 square centimeters
34.8 square centimeters
74 square centimeters
74 square centimeters
37 square centimeters
37 square centimeters
17.4 square centimeters
The correct answer is 37 square centimeters.
Area of Rectangles and Right Triangles Quick Check
4 of 54 of 5 Items
Question
Use the image to answer the question.
An illustration shows a right triangle with the height labeled as 2.5 centimeters and the base labeled as 15 centimeters.
What is the area of the triangle?
(1 point)
Responses
35 square centimeters
35 square centimeters
37.5 square centimeters
37.5 square centimeters
18.75 square centimeters
18.75 square centimeters
17.5 square centimeters
The correct answer is 18.75 square centimeters.
Area of Rectangles and Right Triangles Quick Check
5 of 55 of 5 Items
Question
A piece of a tile is in the shape of a right triangle. The base is 112 centimeters and the height is 212 centimeters. What is the area in square centimeters?(1 point)
Responses
178 square centimeters
1 Start Fraction 7 over 8 end fraction square centimeters
4 square centimeters
4 square centimeters
334 square centimeters
3 Start Fraction 3 over 4 end fraction square centimeters
8 square centimeters