If $∠ 6 = 72 °$ , find the value of $∠ 3$ .

18 °

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108 °

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36 °

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72 °

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Solution

The correct option is B $108 °$
$∠ 6$ and $∠ 3$ form a pair of co-interior angles.
Co-interior angles are supplementary
$∠ 6 + ∠ 3 = 180 °$
$72 ° + ∠ 3 = 180 °$
$∠ 3 = 180 ° - 72 ° = 108 °$

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Similar questions

Question 72 (c)

Find the value of
$(- 7)^{2 \times 7 - 6 - 8}$

{(x - 7)}^{2}

\sqrt{3} = x - 7

\sqrt[3]{72 \times A} = 12

A

x = \frac{3 + 5 i}{2}

2 x^{3} + 2 x^{2} - 7 x + 72

\sqrt{3} y = \sqrt{72 + y^{2}}

y .

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