Geometry Terms

Which triangle has to have 3 angles less than 90 degrees?

• acute triangle

• right triangle

• obtuse triangle

• equilateral triangle

Which one of these triangles is a right triangle?

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Which triangle is an isosceles triangle?

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What type of triangle is this?

• obtuse triangle

• equilateral triangle

• isosceles triangle

• scalene triangle

Which is an equilateral triangle?

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The top side and the bottom side of this quadrilateral are ___________________ to each other?

• parallel

• perpendicular

• intersecting

• the same length

How many sets of parallel sides does this quadrilateral have?

• 1 set

• 2 set

• no sets

• 3 sets

Which figure has 4 right angles?

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Which is an acute angle?

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What type of angle do these clock hands make?

• right

• acute

• straight

• obtuse