Angles
An _____ angle is an angle that measures less than 90*
Acute
A triangle in which all three sides have the same length.
Equilateral
7x = 56
x=8
What is the pythagorean theorem formula?
a2 + b2 = c2
What is the formula to find the radius of a circle?
R= d/2
An ______ angle is an angle that measures more than 90*
Obtuse
A triangle where all 3 sides are different lengths.
Scalene
x ÷ 4 = 9
x=36
A ________ is the longest side of a right triangle.
Hypotenuse
What is the formula to find the diameter of a circle?
D= R x 2
Find the missing angle where 2 of the angles each equal 60*.
60*
A triangle where two sides are the same length
Isosceles
4x = 32
x=8
A right angle triangle has two _____ that are the two sides of the triangle that are not the hypotenuse.
Legs
Solve for the diameter where R = 12
D=24
All interior angles of a triangle will always add up to _____
180*
What is the formula to find the area of triangle
A = b x h /2
2x + 3 = 15
x=6
A right triangle has legs of 3cm and 4cm.
Find the length of the hypotenuse.
5cm
Solve for the radius. D= 36
R= 18
All exterior angles of a triangle will always add up to _____*
360*
A= (8 × 5) ÷ 2
20 cm²
x ÷ 3 − 4 = 5
x = 27
A right triangle has legs of 6m and 8m.
Find the hypotenuse.
10m
What is the formula to find the circumference of a circle?
C=2 π r