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Week 28 DCA Review

2.) A circle with center at point J is shown below. Which line segment is exactly the same length as radius JK?. A Segment LN B Segment LM C Segment JL D Segment LK. L. K. J. 3.) Find the area of the triangle in square inches. N. 6 in. M. 5 in. A 40 in 2 B 20 in 2

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Week 28 DCA Review

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  1. 2.) A circle with center at point J is shown below. Which line segment is exactly the same length as radius JK? A Segment LN B Segment LM C Segment JL D Segment LK L K J 3.) Find the area of the triangle in square inches. N 6 in M 5 in A 40 in2 B 20 in2 C 48 in2 D 24 in2 8 in 4.) Jenny has a triangular kite. The area of the kite is 54 square inches and the base of the kite is 9 inches. How tall is the kite? A 486 ft B 243 ft C 6 ft D 12 ft Name: _________________________________ Date: ________________ Period: ___________ 6.) The perimeter of an equilateral triangle is 30 inches. Which of the following could be used to find s, the length of one side of the equilateral triangle? Week 28 DCA Review 7.) John wants to put grass in a rectangular backyard. The backyard measures 18 feet in length and 14 feet wide. What is the area of the backyard in square feet? A=lw 8.) A rectangle is shown with a triangle inside. Which procedure could be used to find the area of the shaded region? 1.) The circumference of the circular Frisbee is 24 inches. Which expression can be used to find the diameter? A Find the area of the triangle and subtract the area of the rectangle. B Find the perimeter of the rectangle and add the perimeter of the triangle. C Find the area of the rectangle and subtract the area of the triangle. D Find the area of the rectangle and add the area of the triangle. 5.) The circumference of a circular pool is 90 feet. Which method can be used to find the diameter of the pool? 9.) The side lengths and perimeters of some regular polygons are shown below. Which geometric figure is represented by the information in the table below? A Triangle B Square C Pentagon D Hexagon

  2. 10.) What is the difference between the area of a football field and a soccer field? A=lw 80 yds 120 yds 50 yds 50 yds Soccer Field Football Field 11.) The table below shows the area of a rectangle where the length stays the same, but the width changes. Which expression can be used to find the area of a rectangle that has a length of 7 units and width of n units? A=lw 12.) Joe is painting his ceiling. The area of the ceiling is 72 square feet. If the width is 8 feet, what is the length? 16.) Find the circumference of the circle. A 48 in B 12 in C 42 in D 24 in A=lw A 9 ft B 8 ft C 576 ft D 648 ft 13.) A rectangular poster measures 16 inches wide by 12 inches tall. What is the perimeter of the poster? (HINT: Add up all the sides) 8 in 17.) Find the area of the irregular shape. A 28 in B 58 in C 56 in D 116 in 7m 14.) Amy ate 3 triangular shaped cookies last night. Each triangular cookie had a base of 6 inches and a height of 9 inches. What is the total area of the cookies Amy ate? 2m A 49 m2 B 23 m2 C 32 m2 D 59 m2 9m 5m A 27 in2 B 162 in2 C 54 in2 D 81 in2 18.) Which expression CANNOT be used to find the circumference? 15.) The radius of a circle is 4 feet. What is the best estimate of the circumference of the circle? 10 cm A Between 10 & 15 B Between 15 & 20 C Between 20 & 25 D Between 25 & 30

  3. 2 in 3 in ? in 19.) A rectangular prism has dimensions of 9 m, 7 m, and 5 m. What is the volume of the prism? 22.) A circle has a diameter of 13 inches. Which is the closest to the area of the circle? V= l w h A 305 m3 B 315 m3 C 21 m3 D 42 m3 A 26 in2 B 133 in2 C 41 in2 D 531 in2 13 in 20.) Below is a semicircle arch. Which is closest to the area of the semicircle arch? 23.) What is the volume of the cylinder? 4 in A 32 in3 B 128 in3 C 384 in3 D 72 in3 8 in 16 ft 24.) A cube has a side length of 3 inches. What is the volume of the cube? A 192 ft2 B 768 ft2 C 96 ft2 D 384 ft2 V= s3 or V= l w h 21.) A box has a volume of 48 cubic inches. If the width of the box is 3 inches and the height of the box is 2 inches, what is the length of the box? A 9 in3 B 27 in3 C 81 in3 D 72 in3 3 in V= l w h 25.) The perimeter of a square is 24 m. What is the area of the square? A 36 m2 B 12 m2 C 72 m2 D 42 m2 A 4 in B 5 in C 6 in D 8 in 26.) Two congruent circles sit in a rectangle. Each circle has a diameter of 10 inches. What is the approximate area of the shaded region? 10 in A 200 in2 B 170 in2 C 47 in2 D 78 in2 20 in

  4. Week 28 DCA Review Answers • D • C • D • A • A • B • C • D • B • C • B • A • C • A • C • B • D • B • A • 252 ft2 • C • B • 2,000 yds2 • B • A • C

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