Solving geometric problems using linear equations

Solving geometric problems using linear equations

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

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5 Questions

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

4 Questions

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

Lesson appears in

UnitMaths / Forming and solving equations