Two sides of a triangular panel are $12$ cm and $11$ cm. The included angle is $45^\circ$. Cal

Question

Two sides of a triangular panel are $12$ cm and $11$ cm. The included angle is $45^\circ$. Calculate the area of the panel, giving your answer correct to 3 significant figures.

Accepted Answer

$46.669\,\text{cm}^2$.

Sec 3/4 E Math T06-Q10 - Area of a non-right-angled triangle

Sec 3/4 E Math T06-Q10 - Area of a non-right-angled triangle

Solution:

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