Special Right Triangles, Pythagorean Theorem

What is the pythagorean theorem?

• c³ = a³ + b³

• c² = a² + b²

• a² - b² = c²

• c² = a + b

How would you solve?

• soh, cah, toa

• pythagorean theorem

• law of sines

• law of cosines

What would you use to solve this problem?

• special right triangle rules

• law of sines

• law of cosines

• pythagorean theorem

• pythagorean theorem

• cah (cosine)

• cah (cosine) inverse

• law of cosines

What is the length of x in this 45-45-90 triangle?

• 4√2

• 4

• 8

• 4√3

What is the length of u and v in this 30-60-90 triangle?

• u = 8 v = 4√3

• u = 4√2 v = 8

• u = 16 v = 8

• u = 4√3 v = 8

Solve for a and b in the special right triangle.

• a = 5, b = 5

• a = 10, b = 10√2

• a = 10√2, b = 10√2

• a = 5√2, b = 5√2

What type of special triangle is this?

• 45°-45°-90°

• 30°-60°-90°

• Equiangular

• Equilateral

What type of special triangle is this?

• 45°-45°-90°

• 30°-60°-90°

• Isosceles

• Obtuse

The Pythagorean Theorem is _________

• a + b = c

• a² + b² = c²

• a² + b² + c²

• A = LW