Scale and Slicing
Map scale: 1 in=20mi. How far is 3.5 inches?
70 miles
Angles A and B are complementary. A=40. What is B degree measurement?
50 degrees
r=10. Find the circumference. (use 3.14)
62.8
A triangle has a b=10 and h=5. What is the area?
Area=25
What is the volume of a cube with side lengths 4.
64
A square pyramid is sliced horizontally. What 2D shape is the cross-section?
Square
Vertical angles: If angle 1 is 72 degrees, what is its opposite angle?
72 degrees
Find the area of a circle with a diameter of 6cm.
28.26
A trapezoid b1=4, b2=6, h=5. Find the Area of a trapezoid:
25
What is the volume of a prism if L=5, W=3 and H=10?
150
Scale: 1cm=5m. The room is 20m long. How long is the drawing?
4cm.
Angles X and Y are supplementary. X=105, what is Ys angle?
75 degrees
If the area is 18.84, what is the radius?
2.4
What is the area of a circle if the radius is 5?
78.5
What is the surface area of a rectangular prism: 2 x 3 x4?
52 (12 + 16 +24)
A cylinder is sliced vertically through the center. What is the cross section?
Rectangle
Solve for x: x +20 and 40 are vertical angles.
20
A semi-circle has a radius of 4. Find the area of the semi-circle.
25.12
Find the area of a "donut" shape. The outer r=5 and the inner r=2.
65.94 or 21 pi
What is the surface area of a cube with side lengths 5?
150
The scale is 1:10. If the model is 5in, what is the real object measurement?
50 inches
Solve: (2x+10) and 70 are supplementary.
x=50
A bike tire has d=20in. How far does it travel in one rotation.
62.8in
Find the area of a composite shape: A 4 x 4 square with a 4 x 2 triangle on top.
20
A box is 1/2 full. If the total v=120 in3, how much liquid is inside?
60 in3