Geometry and Measurements

How many obtuse angles are in an obtuse triangle?

• o

• 1

• 2

• 3

How many degrees are in a triangle?

• 90

• 120

• 180

• 360

Which of the following appear to be parallel lines in the diagram shown? (8-1)

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A sail on a sailboat is a triangle with two sides perpendicular and no two sides congruent. What two terms could be used to describe the sail? (8-4)

• Equilateral and right

• Right and isosceles

• Scalene and right

• Isosceles and acute

Which of the following quadrilaterals must have all four sides of equal length?

• Parallelogram

• Trapezoid

• Rectangle

• Rhombus

This is . . .

(select all that apply)

• a square

• a rectangle

• a paralellogram

• a quadrilateral

• a trapezoid

Choose the shape that is a parallelogram and a rhombus.

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Which is a parallelogram but NOT a rectangle?

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How many lines of symmetry does this shape have?

• 1

• 2

• 4

• 8

A triangle has angle measurements of 54°, 52°, and 74°. What kind of triangle is it?

• acute triangle

• right triangle

• obtuse triangle

• none of the above