Year 8

Solving geometric problems using linear equations

Year 8

Solving geometric problems using linear equations

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Lesson details

Key learning points

  1. In this lesson, we will use our knowledge of geometry and angle facts to form and solve linear equations.

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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5 Questions

Q1.
Solve the equation:
An image in a quiz
x = -3
Correct answer: x = -9
x = 3
x = 9
Q2.
Solve the equation:
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x = -5.5
x = 11
x = 20
Correct answer: x = 4
x = 5.5
Q3.
Solve the equation:
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x = 14
x = 2
x = 4
Correct answer: x = 7
x = 9
Q4.
Solve the equation:
An image in a quiz
x = -12
x = -6
x = -8
x = 12
x = 6
Correct answer: x = 8
Q5.
Solve the equation:
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x = 1
Correct answer: x = 2
x = 4
x = 7

4 Questions

Q1.
Which equation can be formed from the diagram?
An image in a quiz
2c + 30 = 60
Correct answer: 2c + 90 = 180
c + 60 = c + 30
c + c + 30 + 60
Q2.
Work out the value of c.
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c = 30
Correct answer: c = 45
c = 60
c = 90
Q3.
Which equation can be formed from the diagram?
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5b + 22 = 2b + 51
7b + 73 = 180
Correct answer: 7b + 73 = 360
7b = 73
Q4.
What is the size of the largest angle?
An image in a quiz
133 degrees
Correct answer: 145 degrees
215 degrees
360 degrees
41 degrees
82 degrees
Others