Year 10
Foundation

Use Pythagoras' theorem to show that a triangle is right-angled

Year 10
Foundation

Use Pythagoras' theorem to show that a triangle is right-angled

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Lesson details

Key learning points

  1. In this lesson, we will apply Pythagoras' Theorem to determine if a triangle is right-angled. This is known as the converse of Pythagoras' Theorem.

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4 Questions

Q1.
Calculate the missing length.
An image in a quiz
Correct answer: 20 m
29.15 m
3.16 m
6.32 m
Q2.
Find the missing length.
An image in a quiz
20 m
Correct answer: 29.15 m
3.16 m
6.32 m
Q3.
Find the missing side.
An image in a quiz
11.48 cm
4 cm
45.96 cm
Correct answer: 94.02 cm
Q4.
Find the missing length.
An image in a quiz
11.48 cm
4 cm
Correct answer: 45.96 cm
94.02 cm

4 Questions

Q1.
Is this a right-angled triangle?
An image in a quiz
No
Correct answer: Yes
Q2.
Is this a right-angled triangle?
An image in a quiz
Correct answer: No
Yes
Q3.
Is this a right-angled triangle?
An image in a quiz
Correct answer: No
Yes
Q4.
Is 8, 6 and 10 a Pythagorean triple?
No
Correct answer: Yes