Year 9 Pythagoras and Trigonometry

What is the Pythagorean Theorem?

• $a^2\times b^2=c^2$

• $c^2+a^2=b^2$

• $\left(a+b\right)^2=c^2$

• $c^2=a^2+b^2$

• $c^2+b^2=a^2$

• 2.8

• 7

• 8.5

• 10

• 11.4

• 9.53

• 10.21

• 11.34

• 12.51

• 17.66

The side labelled as "a" is called the

• Opposite

• Adjacent

• Hypotenuse

The side labelled as "c" is called the

• Opposite

• Adjacent

• Hypotenuse

The side labelled as "b" is called the

• Opposite

• Adjacent

• Hypotenuse

sin(26) is equal to

• 0.8988

• 0.4877

• 0.4384

• 0.2588

• 0.26

• $\frac{\sin\left(56\degree\right)}{12}$

• $12\times\sin\left(56\degree\right)$

• $\frac{12}{\cos\left(56\degree\right)}$

• $\frac{\cos\left(56\degree\right)}{12}$

• $12\times\cos\left(56\degree\right)$

• $\frac{a}{b}$

• $\frac{c}{a}$

• $\frac{c}{b}$

• $\frac{a}{c}$

• $\frac{b}{a}$

A right triangle must have....

• a 75 degree angle

• a 30 degree angle

• a 45 degree angle

• a 60 degree angle

• a 90 degree angle