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7A6 Evaluate Formulas (Surface Area, Density, Rate)
Contribué par: Warren

SA = 2lw + 2lh + 2wh

Find the surface area of

this rectangular prism.

3 cm
14 cm
cm2
5 cm

SA = 2lw + 2lh + 2wh

Find the surface area of

this rectangular prism.

6 cm
18 cm
cm2
8 cm
*Use 3.1416 for π

Find the surface area of

this cylinder to the nearest

tenth of a square inch.

SA = 2πr 2 + 2πrh

12 in
5 in
in2
*Use 3.1416 for π

Find the surface area of

this cylinder to the nearest

tenth of a square inch.

SA = 2πr 2 + 2πrh

9 in
4 in
in2
Joshua is researching the density of different liquids.
He finds that the mass of 50 milliliters of corn syrup
is 68 grams. What is the density of corn syrup?
Density =
Volume
Mass
g/ml
Mary is researching the density of different solids.
She finds that a 25 cubic centimeter piece of brick
has a mass of 46 grams. What is the density of brick?
Density =
Volume
Mass
g/cm3
Suzanne is competing in a bicycle race that is
120 miles long. If she can bike at a rate of
15 miles per hour, how long will it take her
to complete the race?
d = rt
hours
Martin needs to take a trip that is 715 miles long.
If he can average 55 miles per hour, how long will
it take to drive there?
d = rt
hours
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