3 years ago

The area of the triangle

Mathematics

1 answer:

Sonja [21]3 years ago

4 0

Answer:

100.763 (cm.²)

Step-by-step explanation:

1. the formula of the required area is:

$A=\frac{1}{2} *side_1*side_2*sin45;$

2. according to the formula above:

A=0.5*15*19/√2≈100.763

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