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Open Up - Grade 7 - Mathematics - Unit 7 - Lesson 15

Last updated 9 months ago

7 questions

1

Here is the base of a prism.
If the height of the prism is 5 cm, what is its surface area? What is its volume?

1

Here is the base of a prism.
If the height of the prism is 10 cm, what is its surface area? What is its volume?

1

Here is the base of a prism.
When the height doubled, what was the percent increase for the surface area? For the volume?

1

Select all the situations where knowing the volume of an object would be more useful than knowing its surface area.

1

Han draws a triangle with a angle, a 50o angle, and a 40o side of length 4 cm as shown.

Can you draw a different triangle with the same conditions?

1

Angle H is half as large as angle J. Angle J is one fourth as large as angle K. Angle K has measure 240 degrees. What is the measure of angle H?

1

The Colorado state flag consists of three horizontal stripes of equal height. The side lengths of the flag are in the ratio 2 : 3.
The diameter of the gold-colored disk is equal to the height of the center stripe. What percentage of the flag is gold?(Round the percent so there are only 2 value to the right of the decimal.)

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