Measurements

# 501 Measurement Conversion Questions (Learning Express) by Learning Express By Learning Express

This publication serves readers who are looking to enhance the dimension and conversion talents they should be successful in class and on assessments. the 10 sections of this ebook make sure that readers perform quite a few questions together with perimeter, region, quantity, and angles. With over 500 perform questions, this booklet is an important instrument for college students who have to increase their math abilities to move assessments very easily.

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Additional info for 501 Measurement Conversion Questions (Learning Express)

Example text

H 3 in a. b. c. d. e. 6 in 2 in 4 in 6 in 8 in 12 in 47. If the hypotenuse of a right triangle is 13 m and the measure of a leg is 5 m, what is the area of the triangle? a. 12 m2 b. 30 m2 c. 5 m2 d. 60 m2 e. 65 m2 24 501 Measurement and Conversion Questions 48. 5 ft, what is the area of the triangle? a. 6 ft b. 8 ft2 c. 2 ft2 d. 7 ft2 e. 6 ft2 49. A patio is in the shape of an equilateral triangle. If the length of one side is 4 m, what is the area of the patio to the nearest tenth? a. 8 m2 b. 9 m2 c.

For example, use a triangle with a base of 10 and height of 4. The area is ᎏ12ᎏ of 40, which is 20 square units. If you multiply the side length 10 by 2, the new dimensions are 20 and 4. The new area is ᎏ12ᎏ of 80, which is 40 square units. By comparing the new area with the original area, 40 square units is double the size of 20 square units. 1 53. d. The area of a rectangle can be found by the formula A = ᎏ2ᎏbh, where b is the base of the rectangle and h is the height. Substitute into the formula to get A = (10)(5) = 50 m2.

Use the formula A = ᎏ2ᎏaP, where a = length of the apothem and P = the perimeter of the polygon. Since the area and the length of the apothem are given, substitute into the formula to ﬁnd the perimeter of the octagon; 160 = ᎏ12ᎏ (10)P. Simplify; 160 = 5P. Divide each side of the equal sign by 5 to get P = 32. Since an octagon has eight sides, 32 ÷ 8 = 4 cm for each side of the sign. 72. e. The area of a circle can be found by using the formula A = πr2 where r is the radius of the circle. Substitute into the formula; A = π(10)2 = 100π m2.