BY MOHAN ABRAHAM

Percy L. Julian High School10330 S Elizabeth Ave., Chicago,

IL 60643 GEOMETRY

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•EXTRA TIME

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OBJCTIVE

SWBAT: with at least 80% of accuracy

Solve multistep arithmetic problems that involve planning or converting units of measure(BOA 24-27) .

SEM 2 , QUICK QUIZ ,WEEK 2-1

REVIEW

1. The radius of a circle is 21 inches. What is the circumference of the circle to the nearest inch ? Circumference C =2 π r, (π = 3.14)

2. The radius of a circle is 11 inches. What is the area of the circle to the square inch ?

Area of the circle A = π r2

3.The diameter of a circle is 6 units long. What is the circumference of the circle in π?

C = π d

4.A circle has a radius of 3 + x . What expression is equivalent to the area of the circle ?

A. 3 + x B. 2(3+x) C. 2 π(3+x) D. 9x2 π E. π(3+x)2

1. Given the volume of a cone is V = , what is the volume of a cylinder, in terms of centimeters cubed, with a radius of 6 cm and a height of 3 cm?

hr 23

1

2. . Volume of a rectangular prism is found by using the formula : V= L× W×H. Find V where L= 12 feet , W = 6 feet, and H = 9 feet .

( 1 yard = 3 feet, 1 cubic yard = 3× 3 × 3 = 27 cubic feet)

• a. What is V in cubic feet? • b. How many cubic yard is the volume?

• 3. Volume of a cylinder is given by the

formula: . What is the volume of a can of green beans that has a radius of 4 inches and a height of 8 inches?

• a. _________________ ____ in3• b. What is the volume in cubic feet?

_______________________ ft3

4. is the formula for the volume of a sphere.

a) What is the volume of the sphere with a diameter of 10 inches in cubic inches?

b) If r = 5 m, What is the volume in cubic. m? ( = 3.14)

c. What is the volume in cubic cm?( 1 m= 100 cm , 1cu. m = 100 × 100 × 100 = 1000000 cu.cm).

• 5) A storage container is being built , It has dimensions 564 inches high, 48 feet long, and 12 yards wide.

• What is the volume in cubic feet?

To save for a summer trip, chris opened a saving account. Her initial deposit was $10.The total amount of her deposits through the end of each week is represented by a point on the line graphed below. If deposits continue at this rate, how much will she have deposited in the account by the end of the week 16 ?

$10

$0

$20

$30

$40

$50

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a. If deposits continue at this rate, how much will she have deposited in the account by the end of the week 25 ?

b. What will be the total amount by the 14 th week ?

c. If Chris decides to start over beginning with the 2nd week and double the amount she will deposit each week, how much will she have in her account on week 6 ?