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Solving Proportions
Percents
Percent of Change
Lines, Planes, and Angles
Triangles
100
Find x. 2/7 = x/21
6
100
Write the percent as a decimal. 3%
.03
100
Find the percent of increase. 120 to 240
100%
100
True or False? A ray is a series of points that extend in opposite directions without end.
False
100
What kind of triangle has two congruent sides?
isosceles triangle
200
Find b. 16/38 = b/19
8
200
Write the percent as a fraction in simplest form. 6%
3/50
200
Find the percent of increase. 60 to 75
25%
200
True or False? Intersecting lines have only one point in common.
True
200
Is the following triangle right, acute, or obtuse? A triangle with angle measures of 32 degrees, 58 degrees, and 90 degrees.
right triangle
300
Find y. 8/12 = y/30
20
300
What is 25% of 44?
11
300
Find the percent of markup. $15 to $60
300%
300
A right angle has a measure of how many degrees?
90 degrees
300
Is the following triangle right, acute, or obtuse? A triangle with angle measures of 93 degrees, 37 degrees, and 50 degrees.
obtuse triangle
400
Find w. 20/w = 12/3
5
400
24 is what percent of 32?
75%
400
Find the percent of discount. $9 to $4
56%
400
An obtuse angle has a measure of how many degrees?
between 90 degrees and 180 degrees
400
The sides of a triangle are given as j, j, j. Is the triangle an equilateral, isosceles, or scalene triangle?
equilateral triangle
500
Find r. 19/r = 152/4
.5 or 1/2
500
What number is 62% of 50?
31
500
An electronic store orders sets of walkie-talkies for $14.85 each. The store sells each set for $19.90. What is the percent of markup?
34%
500
If angle 1 and 2 are complementary angles and angle 1 has a measure of 32 degrees than what is the measure of angle 2?
58 degrees
500
The following measures of a triangle are given as 67 degrees, 34 degrees, and x degrees. What is x?
79 degrees