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yarga [219]
3 years ago
5

A right ttiangle has one angle that measure 23°. The adjacent leg measures 27.6cm and the hypotenuse measures 30cm. What is the

approximate area of the triangle? Round to the nearest tenth. Area of a triangle = 1/2 bh
Mathematics
1 answer:
ipn [44]3 years ago
6 0

The problem is overdetermined; we'll assume b = 30 cos <span>23° and ignore the 27.6 approximation.

That leaves h = 30 sin </span><span> 23° so 
</span>
A = \frac 1 2 bh = \frac 1 2 30^2 \cos 23^\circ \sin 23^\circ = 15^2\sin46^\circ=161.85<span>
161.9 rounded

</span>
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