Circles
What is pi equal to?
3.14
What is the angle sum of every triangle?
180°
What is the formula to find the hypotenuse?
a2+b2=c2
What's the name of angles that form a straight line?
Linear Pair.
What is a circle?
A round-shaped figure that has no corners or edges
What is the formula to calculate the area of a triangle?
A=b⋅h⋅1/2
or
A=bh/2
What triangle uses Pythagorean Theorem?
Right Triangle.
What is it called when two angles share a common side and vertex but don't overlap?
Adjacent Angles.
What is the line that goes from the middle of a circle outwards called?
The radius
How many types of triangles are there?
What is the hypotenuse if one leg is 5 in and the other is 12 in?
132
What is it called when one line overlaps two others?
Transversal.
What is the formula to find the area of a circle?
A=pi⋅r2
What is an isosceles triangle?
A triangle that has two congruent sides
What is the measure of the leg if the hypotenuse is 21 in and the other leg is 15 in? (round to nearest tenth)
14.7
What is it called when two angles have a sum of 90°?
Complementary Angles.
What is the formula to find the perimeter of a circle?
P=2⋅pi⋅r
What is a scalene triangle?
A triangle that has all different sides
A flying squirrel lives in a nest that is 12 feet high in a tree. To reach a fallen acorn that is 9 feet from the base of the tree, how far will the flying squirrel have to glide?
15 ft.
What is it called when two angles have a sum of 180°?
Supplementary Angles.