Use Pythagoras' Theorem with Isosceles Triangles

Use Pythagoras' Theorem with Isosceles Triangles

Lesson details

Key learning points

  1. In this lesson, we will learn how to apply Pythagoras' Theorem to isosceles triangles to find missing side lengths or angles.

Licence

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4 Questions

Q1.
Find the distance between (0, 0) and (5, 12).
10.9
Correct answer: 13
17
7
Q2.
Find the distance between the points (1, 3) and (6, 2).
4
4.9
Correct answer: 5.1
6
Q3.
Find the distance between the points (4, 3) and (-3, -4).
1.41
14
7
Correct answer: 9.9
Q4.
Find the distance between the points (-7, -3) and (5, -11).
Correct answer: 14.4
2
20
8.94

3 Questions

Q1.
Find the length labelled x.
Correct answer: 12 cm
17.5 cm
23.43 cm
9.95 cm
Q2.
Find the length labelled x.
Correct answer: 25 cm
37.1 cm
42.7 cm
5 cm
Q3.
Find the area of the triangle.
1536 m²
384 m²
480 m²
Correct answer: 768 m²

Lesson appears in

UnitMaths / Pythagoras Theorem 2