Math Problem Statement

A packet of grass seed can be used to cover 50m² of lawn. A circular lawn has a diameter of 20 metres. How many packets of grass seed must be bought so that the entire lawn can be covered?

Solution

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Math Problem Analysis

Mathematical Concepts

Geometry
Area of a circle

Formulas

Area of a circle = π * r²
Packets required = Total area / Area covered by one packet

Theorems

Area formula for circles

Suitable Grade Level

Grades 6-8