Quiz Tuesday 11.5-11.8Quiz Tuesday 11.5-11.8

Work on the review worksheetWork on the review worksheetHere are some extra problems toHere are some extra problems to

studystudy

TRUE/FALSETRUE/FALSE

1) If the ratio of the sides of two hexagons is 1) If the ratio of the sides of two hexagons is

, then the ratio of the perimeters is , then the ratio of the perimeters is

2) A sector of a circle is bounded by an arc and 2) A sector of a circle is bounded by an arc and two radii.two radii.

3) The area of a segment of a circle is the area of 3) The area of a segment of a circle is the area of the sector minus the area of the triangle.the sector minus the area of the triangle.

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True/FalseTrue/False4) If two figures are similar and the ratio of their 4) If two figures are similar and the ratio of their

perimeters is , then the ratio of their sides perimeters is , then the ratio of their sides isis

5) If two triangles are similar and the ratio of 5) If two triangles are similar and the ratio of their sides is 1:2, then the ratio of their their sides is 1:2, then the ratio of their heights is also 1:2.heights is also 1:2.

6) The area of a regular polygon can be found 6) The area of a regular polygon can be found by multiplying the apothem by the perimeter.by multiplying the apothem by the perimeter.

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Answers to True / FalseAnswers to True / False1) False. You need to know if the hexagons are similar or if they are both regular.

2) True

3) True

4) False. If two figures are similar and the ratio of their perimeters is P1:P2, then the ratio of their sides is s1:s2.

5) True

6) False. The formula is A= ½ aP