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ZanzabumX [31]
3 years ago
6

Solve the triangle. A = 46°, a = 34, b = 27

Mathematics
2 answers:
PtichkaEL [24]3 years ago
8 0

Answer:

All sides of the triangle are a = 34, b = 27 and c = 46.7

and angles are A = 46°, B = 34.83° and C = 99.17°

Step-by-step explanation:

In a given triangle A = 46°, a = 34 units and b = 27 units

Then we have to find all angles and measure of the side left.

By sine rule,

\frac{a}{sinA}=\frac{b}{sinB}=\frac{c}{sinC}

\frac{a}{sinA}=\frac{b}{sinB}

\frac{34}{sin46}=\frac{27}{sinB}

sinB = \frac{27\times sin46}{34}

sinB = 0.5712

B = sin^{-1}(0.5712)

B = 34.83°

Since in a triangle,

∠A + ∠B + ∠C = 180°

46°+ 34.83° + ∠C = 180°

80.83° + ∠C = 180°

∠C = 180 - 80.83 = 99.17°

\frac{b}{sinB}=\frac{c}{sinC}

\frac{27}{sin34.83}=\frac{c}{sin99.17}

\frac{27}{0.5711}=\frac{c}{0.9872}

c = \frac{27\times 0.9872}{0.5711}=46.67

Therefore, all sides of the triangle are a = 34, b = 27 and c = 46.7

and angles are A = 46°, B = 34.83° and C = 99.17°

WITCHER [35]3 years ago
4 0

Find the length of the hypotenuse

34^2 + 27^2 = c^2

1156 + 729 = 1885

c^2 = 1885

sqrt(1885)

c = 43.42

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