# Test: Angles, Straight Lines - Ambitious

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Question 1:   How many degrees are in $2.5$ right angles?
$235°$
$225°$
$112.5°$
$240°$
Question 2:   How many degrees are in $\frac{1}{3}$ of a right angle?
$120°$
$30°$
$60°$
$90°$
Question 3:   Find an angle corresponding to $\frac{3}{5}$ revolution?
$72°$
$216°$
$200°$
$270°$
Question 4:   Find an angle corresponding to $\frac{5}{18}$ revolution?
$60°$
$90°$
$70°$
$100°$
Question 5:   Two angles are complementary. One of them is $73°$. What is the other angle?
$17°$
$283°$
$27°$
$167°$
Question 6:   Two angles are supplementary. One of them is $62°$. What is the other angle?
$38°$
$298°$
$28°$
$118°$
Question 7:   Find angle $\alpha$: $\sphericalangle \alpha =72°$
$\sphericalangle \alpha =144°$
$\sphericalangle \alpha =152°$
$\sphericalangle \alpha =92°$
Question 8:   Find angle $\alpha$: $\sphericalangle \alpha =110°$
$\sphericalangle \alpha =100°$
$\sphericalangle \alpha =120°$
$\sphericalangle \alpha =130°$
Question 9:   Find angle $\alpha$: $\sphericalangle \alpha =20°$
$\sphericalangle \alpha =15°$
$\sphericalangle \alpha =12°$
$\sphericalangle \alpha =14°$
Question 10:   Find angle $\alpha$ $\sphericalangle \alpha =45°$
$\sphericalangle \alpha =30°$
$\sphericalangle \alpha =20°$
$\sphericalangle \alpha =15°$