Pythagorean Theorem
The longest side of a right triangle is the...
Hypotenuse
What is the formula for the area of a rectangle?
LxW
What is the midpoint formula (write this down to use later)
x1 + x2/ 2, y1 + y2/ 2
A triangle that has all 3 sides equal.
What is a dilation?
A dilation is a proportional stretch or shrink of an image on the coordinate plane based on a scale factor.
(To make a figure bigger or smaller)
Solve for C2
42+72=C2
8.06
What is the formula for the area of a triangle?
1/2 bxh
Find the midpoint of the line segment with the endpoints (4, 1) and (2, –5)
(3, -2)
A triangle that has two equal sides and two equal angles.
Isosceles
What does ASA stand for?
Angle Side Angle
If a right triangle has two sides that measure 3cm and 4cm, find the hypotenuse of this triangle...
5cm
Circumference of a circle formula?
πD or 2πr
Find the midpoint of the line segment (–9, 3), (7, –8)
(-1, -2.5)
A triangle formed by all angles measuring less than 90˚
Acute
A line segment connecting two points on a curve, not in the middle.
Solve for C2
52+122=C2
13
Area of a trapezoid formula?
A=(a+b)/2 x h
Find the midpoint of the line segment (5, 10), (–3, 6)
(1,8)
If the largest angle in a triangle is 70°, what is the least possible value of the smallest angle of the triangle?
40 degrees
What does supplementary angles mean?
Supplementary angles are two angles with a sum of 180 degrees.
Solve for C2
52+62=C2
7.81
Area of a circle formula?
A = πr2
Find the midpoint of the line segment (8, 1), (–2, –5)
(3, -2)
What is a ray?
A part of a line that has a fixed starting point but no end point. It can extend infinitely in one direction.