3 years ago

Help please help ,,,,,

Mathematics

1 answer:

Natalka [10]3 years ago

3 0

Answer:

18 cm²

Step-by-step explanation:

The area labelled A is a triangle.

The area (A) of a triangle is calculated using the formula

A = $\frac{1}{2}$ bh ( b is the base and h the height )

here b = 9 and h = 4 ( the same height as the rectangle ), thus

A = $\frac{1}{2}$ × 9 × 4 = $\frac{1}{2}$ × 36 = 18 cm²

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