10GM Pythagoras and Trigonometry Quiz

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 a Pythagorean triad?

• {12, 35, 37}

• {11, 60, 61}

• {9, 40, 41}

• {13, 44, 45}

Answer explanation

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

Which of the following is NOT correct?

Answer explanation

Which expression gives the value of x?

Answer explanation

What is the value of x to one decimal place?

• 11.5

• 9.6

• 19.6

• 17.9

Answer explanation

From the diagram, the correct expression for x is

Answer explanation

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