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nlexa [21]
2 years ago
15

This trapezium is drawn on a centimetre grid. Find the area of the trapezium.

Mathematics
1 answer:
Novosadov [1.4K]2 years ago
3 0

Answer:

A = 18 units²

Step-by-step explanation:

The area (A) of a trapezium is calculated as

A = \frac{1}{2} h ( b₁ + b₂ )

where h is the perpendicular height and b₁, b₂ the parallel bases

By counting squares

h = 3, b₁ = 3, b₂ = 9 , then

A = \frac{1}{2} × 3 × (3 + 9) = 1.5 × 12 = 18 units²

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