Chapter One Formulas Flashcards
1
Q
Midpoint Formula
A
(x1 + x2) (y1 + y2)
_______ _______
2 2
2
Q
Distance Formula
A
√(x₂ - x₁)² + (y₂ - y₁)²
3
Q
Square Perimeter
A
P=4s (Sum of the 4 sides)
4
Q
Square Area
A
A=S^2 (Length x Width)
5
Q
Rectangle Perimeter
A
P=2w + 2L
6
Q
Rectangle Area
A
L x W
7
Q
Triangle Perimeter
A
P=a+b+c
8
Q
Triangle Area
A
A=bh
—–
2
9
Q
Pythagorean Theorem
A
a2 + b2 = c2
10
Q
Complementary Angles
A
Two angles whose measures have a sum of 90 degrees
11
Q
Supplementary Angles
A
Two angles whose measures have a sum of 180 degrees
12
Q
Adjacent Angles
A
Two angles that are side by side
13
Q
Verticle Angles
A
Two angles formed by two intersecting lines.
14
Q
Acute Angle
A
Less than 90 but more than 0
15
Q
Obtuse Angle
A
Less than 180 but more than 90
16
Q
Right Angle
A
90 degrees
17
Q
Straight Angle
A
180 degrees
