Lesson: Ratios of Geometric Figures Mathematics • 11th Grade

In this lesson, we will learn how to write and simplify ratios and how to use that to solve problems in geometric context.

Lesson Plan

Students will be able to

write and simplify ratios involving geometric figures,
solve problems involving ratios,
use ratios to solve geometric problems.

Lesson Worksheet

Q1:

Find the ratio between the lengths and 3.2 m in its simplest form.

Q2:

Find, in the simplest form, the ratio between the circumference of a circle whose radius is 7 cm and the perimeter of a square whose side length is 4.5 cm, where .

Q3:

In a given rectangle, the length is four times the width. If the length is 40 cm, express the ratio between the rectangle’s perimeter and length in its simplest form.