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Grade 7 HMH Go Math - Answer Keys
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Question 9
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The radius of the circle is given in meters. What is the circumference of the circle? Use 3.14 for \(\text{π}\).
Question 10
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The dimensions of the figure are given in millimeters. What is the area of the two-dimensional figure?
Question 11
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A forest ranger wants to determine the radius of the trunk of a tree. She measures the circumference to be 8.6 feet. What is the trunk’s radius to the nearest tenth of a foot?
Question 12
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What is the measure in degrees of an angle that is supplementary to a 74° angle?
Question 13
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What is the volume in cubic centimeters of a rectangular prism that has a length of 6.2 centimeters, a width of 3.5 centimeters, and a height of 10 centimeters?
Question 14
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A patio is the shape of a circle with diameter shown.
What is the area of the patio? Use 3.14 for \(\text{π}\).
Question 15
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Petra fills a small cardboard box with sand. The dimensions of the box are 3 inches by 4 inches by 2 inches.
a . What is the volume of the box?
Question 15
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b . Petra decides to cover the box by gluing on wrapping paper. How much wrapping paper does she need to cover all six sides of the box?
Question 15
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c . Petra has a second, larger box that is 6 inches by 8 inches by 4 inches. How many times larger is the volume of this second box? The surface area?