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Geometry

General Polygons

Concept Quizzes

Perimeter
General Polygons - Angles
General Polygons - Area
Composite Figures - Solving with Algebra
Geometry Competition Warmup

Challenge Quizzes

General Polygons: Level 2 Challenges

General Polygons - Angles

If the measures of five interior angles of a hexagon are each $135 ^ \circ$ , what is the measure (in degrees) of the remaining interior angle?

40 55 50 45

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by Brilliant Staff

What is the measure (in degrees) of $\angle B + \angle D$ in the diagram below?

360^{\circ}

180^{\circ}

140^{\circ}

270^{\circ}

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by Brilliant Staff

What is the measure of $\angle x + \angle y$ in the diagram below?

110^{\circ}

170^{\circ}

180^{\circ}

60^{\circ}

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by Brilliant Staff

What is the measure (in degrees) of $\angle x$ in the diagram below?

Details and assumptions:

If your answer is $50^\circ$ , type it in as $50$ .

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by Brilliant Staff

If the ratio of the four interior angles of quadrilateral $ABCD$ in the diagram below is given as $\angle A : \angle B : \angle C : \angle D = 4 : 2 : 1 : 5 ,$ what is the measure of the biggest angle?

Details and assumptions:

If your answer is $50^\circ$ , type it in as $50$ .

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by Brilliant Staff

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