If angle A=76º, what is the measure of its complement?
14º
Convert 1435 mm to m
1.435 m
Find the surface area.
62 cm2
Find the volume of a rectangular prism with a length of 13 mm, a height of 3 mm, and a width of 9 mm.
351 mm3
If two plane intersect, their intersection will always be _____________.
A line
How many sides does a polygon have if each exterior angle is 20º?
18 sides
Determine the circumference of the circle. Leave your answer in terms of π.
30π cm
Find the area.
484 mm2
Find the volume of the pyramid.
3523.5 yd3
Choose all that apply to describe the triangle: acute, obtuse, right, scalene, isosceles, equilateral, equiangular.
obtuse scalene triangle
How many degrees are in each angle of a regular septagon? Round to the nearest tenth.
128.6º
You're locked out of your house and the only open window is on the second floor, 25 feet above the ground. You need to borrow a ladder from one of your neighbors. There's a bush along the edge of the house, so you'll have to place the ladder 10 feet from the house. What length of ladder do you need to reach the window? Round to the nearest whole number.
You need a ladder that's 27 feet long.
Find the lateral surface area of the cylinder. Round to two decimal places.
615.44 in2
An exercise ball measuring 6 cm in diameter has what volume of air inside? Leave it in terms of pi.
36π cm³
Find the area. Round to two decimal places.
44.14 cm2
Use the following diagram of parallel lines cut by a transversal to solve for x.
x=20
Determine the distance between (1, 2) and (−2, −1). Leave your answer in radical form.
sqrt(18)
3sqrt(2)
Find the area.
84 in2
What is the volume of this figure?
254 in.3
Determine the measures of the angles of the rotational symmetry.
72º, 144º, 216º, 288º
Find all four missing angles.
angle1=70º
angle2=110º
angle3=70º
angle4=82º
Convert 30 miles per hour to inches per second.
528 inches/second
Give the dimensions of a circle and a triangle that have the same area.
I'll check your work!
A cup that is 4 mm across and 8 mm tall is filled halfway full with water. What is the volume of the water? Round to the nearest hundredth.
50.24 mm³