Find the value of missing angles in quadrilaterals

Find the value of missing angles in quadrilaterals

Lesson details

Key learning points

  1. In this lesson, we will represent the angles in a quadrilateral pictorially and algebraically before learning how to calculate missing angles.

Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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3 Questions

Q1.
What is the value of angle a?
An image in a quiz
124°
236°
Correct answer: 56°
Q2.
What is the value of angle a?
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160°
Correct answer: 20°
200°
Q3.
What is the value of angle y?
An image in a quiz
145°
Correct answer: 35°
85°

5 Questions

Q1.
Estimate the size of the angle.
An image in a quiz
123°
21°
Correct answer: 48°
Q2.
Find the size of angle a.
An image in a quiz
Correct answer: 135°
315°
45°
Q3.
Find the size of angle c.
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298°
Correct answer: 62°
72°
Q4.
Find the size of angle c.
An image in a quiz
115°
Correct answer: 65°
90°
Q5.
Find the size of angle w.
An image in a quiz
326°
Correct answer: 34°
44°

Lesson appears in

UnitMaths / Missing angles and lengths