Pythagoras and Trigonometry

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

cos(30) is the same as

What is the value of r

• 7.23

• 40.05

• 6.64

• 43.51

• 18.47

What is the distance the spooky spider travels if it crawls up the entire diagonal inside the box

• 2

• 6

• 12

• 36

• 50

A ladder 3 m long leans against a wall. It makes an angle of 16.5° with the wall. How far, to the nearest cm, is the foot of the ladder from the wall?

Which Trig function do you use to find y ?

• Sine

• Cosine

• Tangent

• Pythagoras

If the two sides of a right-angled triangle are 7 cm and 24 cm, then the hypotenuse is

• 23 cm

• 24 cm

• 31 cm

• 25 cm

Answer explanation

The hypotenuse of a right-angled triangle is 25 cm. If one side is 7 cm, the third side is

• 25.96 cm

• 26 cm

• 26.52 cm

• 24 cm

Answer explanation

Which of the following is NOT correct?

Answer explanation

Which expression gives the value of x?

Answer explanation