Shapes and Angles
Angles that go together to form a right angle are called this.
Complimentary
solve for x
x = 10
1.25
-8 + -14
-22
A shirt that normally costs $16 is on sale for 20% off. What is the sale price?
$12.80
A rectangular prism has an area with a length of 4 ft and a width of 6 ft. Its height is twice its length. What is the area of the prism?
192 cubic ft
3(x - 2) = 15
solve for x
x = 7
Square A has an area of 4. Square B has an area of 16. What is the scale factor from Square A to Square B?
2
-8 x -14
112
A chef makes $25 per hour and gets a 12% raise. What is their hew hourly pay?
$28
What are the three angle measures of a right isosceles triangle?
90, 45, 45
simplify and rewrite
4(2a - 8) + 2a - 4
10a - 36
or
-36 + 10a
When looking at a graph, what are two indicators that the relationship between x and y is proportional?
straight line
goes through the origin
5 + (-9) -4 + 6
-2
Shoes that regularly cost $80 are on sale for $60. What percent of the regular price is the discount?
25% off
A rectangular prism has an area with a length of 4 ft and a width of 6 ft. Its height is twice its length. What is its surface area?
*correct units must be included
208 square feet
3(r + 6) - 8 = 43
solve for r
r = 11
A runner going at a constant speed runs 3.2 miles in 24 minutes. How long will it take them to run 6 miles?
45 min
6(-4) - (-27) -11
-8
A customer leaves a 25% tip on their meal. If they left $40 total, how much did their meal cost?
$32
Angles A and B are supplementary. Angle B is one of three angles in an equilateral triangle. What is the measure of angle A?
120 degrees
5b - 2(2b - 8) - 3b = 20
solve for b
b = -2
A family is going 68 mph in their car on cruise control. Their hotel is 238 miles away. How long will it take them to get there if they don't slow down?
3.5 hours
Find the mean of this data:
8, 5, -12, 6, -18, -5, 13, 7, 21, -5
2
$58.65