Find the circumference.
Diameter= 7 x 2
Diameter= 14 cm
C= πd
C= π x 14
C= 43.96 cm
Find the area of this square.
A= l x w
A= 5 x 5
A= 25 cm2
Find the Surface Area.
A1= 3 x 5
A1= 15 cm2
A2= l x w
A2= 5 x 4
A2= 20 cm2
A3= l x w
A3= 4 x 3
A3= 12 cm2
A= 30 + 40 + 24
A= 94 cm2
Find the volume.
24 units3
Find the perimeter of this figure.
P= 2 l + 2 w
P= 2 x 5 + 2 x 2
P= 10 + 4
P= 14 cm
Find the area of this rectangle.
A= l x w
A= 8 x 3
A= 24 yards2
Find the area of this figure.
A1= l x w
A1= 3 x 3
A1 = 9 in.2
A2= l x w
A2= 9 x 2
A2= 18 in2
A=9 + 18
A= 27 in2
Find the volume of this rectangular prism.
V= l x w x h
V= 3 x 2 x 3
V= 18 units3
Find the perimeter of this square
P= 4s
P= 4 x 5
P= 20 cm
Find the width.
A= 49 in.2
L= 7 in.
W= ?
A= l x w
49= 7 x w
49/7= w
7= w
Find the area of this figure.
A1= l x w
A1= 4 x 5
A1= 20 cm2
A2= l x w
A2= 3 x 1
A2= 3 cm2
A= 20 + 3
A= 23 cm2
Find the volume of this prism.
V= l x w x h
V= 12 x 5 x 3
V= 180 in3
Find the perimeter of this figure.
P= 4 + 2 + 2 + 3 + 3 + 6 + 9 + 5
P= 34 cm
Mrs. Barnes needs to carpet a room that is 15 ft. by 18 ft. The carpet she wants is sold for $3.99 per square foot. What will it cost to carpet the room?
A= l x w
A= 15 x 18
A= 270 ft.2
270 x 3.99= $1,077.30
It will cost $1,077.30 to carpet the room.
This is a picture that Emily cut out for an art project. What is the area of this figure?
A1= l x w
A1= 6 x 4
A1= 24 cm2
A2= l x w
A2= 4 x 3
A2= 12 cm2
A= 24 + 12
A= 36 cm2
Find the height.
L= 7 in.
W= 7 in.
H= ?
V= 343 in.3
343= 7 x 7 x h
343= 49 x h
343/49= h
7 in.= h
Gibson is out for a run. He decides to run around a park in town. The length of the sides of the park are 15 feet, 10 feet, 12 feet and 14 feet. How many feet will Gibson run?
P= 15 + 10 + 12 + 14
P= 51 feet.
Gibson will run 51 feet.
A wooden chessboard made in Vermont is a square that has 20 inch sides. A 2 inch border surrounds the grid for the game pieces. What is the area of the grid only?
20-4= 16 inches.
A= l x w
A= 16 x 16
A= 256 in2
A bar of soap has the following measurements: 25 mm x 34 mm x 10 mm. What is the total surface area of the bar of soap?
A1= l x w
A1= 25 x 35
A1 =875 mm2
A2= l x w
A2= 25 x 10
A2 = 250 mm2
A3= l x w
A3= 35 x 10
A3= 350 mm2
A= 875 + 250 + 350
A= 1,475 mm2
Eli built a wall out of concrete bricks. Each brick is a cube with a side length of 3 ft. If Eli used 20 bricks to build the wall, what is it's volume?
V= l x w x h
V= 3 x 3 x 3
V= 27 ft3
27 x 20= 540 ft.3
The volume of the brick wall is 540 ft.3