Area of Triangles
A triangle has a base of 8 cm and a height of 5 cm. Find the area.
20 cm2
Find the volume of a prism with length 4 cm, width 3 cm, and height 5 cm.
60 cm3
y=x+3, what is y when x = 5?
8
Solve: x+7=12
x = 5
Solve: x+4>10
x > 6
Find the area of a triangle with base 12 ft and height 9 ft.
54 ft2
A box measures 8 ft × 2 ft × 6 ft. What is the volume?
96 ft3
A table shows:
x = 1, 2, 3, 4
y = 2, 4, 6, 8
What is the relationship between x and y?
y = 2x
Solve: y-9 = 15
y=24
Solve: y−3≤8
y≤11
A triangle’s area is 35 square inches. Its base is 10 inches. What is the height?
7 in
A rectangular prism has dimensions 7 m × 4 m × 3 m. Find the volume.
84 m3
If a movie ticket costs $9, write an equation for total cost y based on number of tickets x.
y = 9x
Solve: 6a=42
a=7
Solve: 5m>25
m>5
A triangle has a base of 14 m and height of 11 m. What is its area?
77 m2
A fish tank has a length of 10 in, width of 5 in, and height of 9 in. What is the volume?
450 in3
If y=4x−1, what is y when x = 6?
y = 23
solve: (b/5) = 8
b = 40
Solve: (n/4)≥3
n ≥ 12
The area of a triangle is 96 cm². The height is 12 cm. Find the base.
16 cm
A storage container has a volume of 120 cm³. Its length is 5 cm and width is 4 cm. What is the height?
6 cm
The relationship between hours worked h and money earned m is m=15h. How much money is earned in 8 hours?
$120
121c = 11
c = 1/11
A student needs at least 70 points to pass a class. They already have 52 points. Write and solve an inequality for how many more points p are needed.
52+p≥70
p≥18