triangle similarity formulas Flashcards
1
Q
formula for opposite [right triangle similarity]
A
opposite = sqrt{segment_[top right] * hypotenuse}
2
Q
formula for adjacent [right triangle similarity]
A
adjacent = sqrt{segment_[top left] * hypotenuse}
3
Q
formula for altitude [right triangle similarity]
A
altitude = sqrt{segment_[top left] * segment_[top right}
4
Q
Geometric Mean
A
x^2 = ab or x = sqrt(ab)
5
Q
formula for hypotenuse of a right triangle [rule of Pythagoras]
A
(adj^2 + 1)/2
6
Q
formula for opposite of a right triangle [rule of Pythagoras]
A
(adj^2 - 1)/2
7
Q
formula for hypotenuse of a right triangle [special triangles]
A
2*adj
8
Q
formula for opposite of a right triangle [special triangles]
A
adj*sqrt(3)
