Angles that adding up to a total of 90°
Complementary Angles
Simplify: 16:4
4:1
40/120
1/3
What is the area of a rectangle whose given side lengths are 8 cm and 12 cm?
96 square cm
4 + 2(82-4) - 20/2 =
114
Solve for x to make these proportional: 5/6 = x/36
x = 30
30a2/390a
a/13
What is the surface area of a cube with faces equal to 3cm by 3cm?
54 square cm
co-interior angles add up to ________
180
Solve for x to make these proportional: 12/180 = (x+1)/9
x=-0.4
(27a5b2/3a7b)
9b/a2
What is the area of a circle whose diameter is 12cm?
113.04 cm squared
What is the interior angle sum of a pentagon?
T = (n-2)180
T = (5-2)180
T = 540
(5*4)2 - (11*2) - 62/2 =
342
Last week Bill earned $210 for a 25-hour week. What was his pay rate? What would he have earned for a 30-hour week?
Pay rate = $8.40/hour In a 30-hour week Bill would have earned $252.