Deciding whether an area ratio or length ratio is required
Deciding whether an area ratio or length ratio is required.
- Give a mathematical reason for each step.
- Use matching angles and corresponding sides, not the appearance of a diagram.
- State the result you have proved at the end.
Example 1
Two similar shapes have length ratio
Example 2
Two similar shapes have area ratio
Your turn
Two similar shapes have length ratio
Check answer
Two similar shapes have area ratio
Check answer
Two similar shapes have length ratio
Check answer
Two similar shapes have area ratio
Check answer
Two similar shapes have length ratio
Check answer
Two similar shapes have length ratio
Two similar shapes have area ratio
Two similar shapes have length ratio
Two similar shapes have area ratio
Two similar shapes have length ratio