Download 4 Formulas - Galena Park ISD Moodle

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NAME________________________________DATE________________________PERIOD_______
FORMULAS
Using the formulas on the 9, 10, and 11 Exit Level Mathematics Chart, solve the following
problems.
1. Find the width of a rectangle if the perimeter is 72 mm and the length of the rectangle is
15 mm.
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2. Find the surface area of a cube if the length of each side is 3 inches.
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3. Find the area of a trapezoid if the height is 20 cm and the lengths of the bases are15 cm and
10 cm.
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4. Find the length of a rectangle if the area is 255 cm2 and the width of the rectangle is 15 cm.
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5. Find the radius of a cylinder if the lateral surface area is 36  and the height of the cylinder is
3 cm.
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6. Find the radius of a circle if the circumference of the circle is 29  cm.
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7. Find the area of a circle if the radius is 8 in. Use 3.14 for
.
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8. Find the total surface area of a cylinder if the radius is 3 cm and the height of the cylinder is 5 cm.
Leave  in your answer.
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9. Find the length of the base of a triangle if the area of the triangle is 82 cm 2 and the height is 4 cm.
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10. Find the lateral surface area of a cylinder if the radius is 12 in and the height of the cylinder is
14 in. Leave your answer in terms of  .
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11. The length of a rectangle is 5 less than three times the width. If the perimeter is 150 in, what are
the dimensions of the rectangle?
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12. The perimeter of a triangle is 122 cm. If the lengths of the sides of the triangle are
(3x – 1) cm, (4x + 2) cm and (2x – 5) cm, what is the length of the longest side?
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