Geometry and Measurement

The measure of angle XYZ is 28°. What is the measure of angle XYW in degrees?

What is the measurement of the angle?

Ruth sorted polygons into groups. The polygons shown belong in the same group. Which description best represents this group?

• Polygons with perpendicular and parallel lines

• Polygons with perpendicular lines only

• Polygons with acute and obtuse angles

• Polygons with obtuse angles only

Which angle does NOT appear to have a measure of 23°?

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Which of these figures appear to have both a horizontal line of symmetry and a vertical line of symmetry?

• Figure M only

• Figure L and Figure N

• Figure M and Figure P only

• Figure L, Figure M, and Figure P

Which list shows all the figures in the group that appear to have at least one right angle?

• Figures T, W, and Y only

• Figures T, W, and Z only

• Figures T and Z only

• Figures X and Z only

How many lines of symmetry does this shape have?

• 1

• 2

• 3

• 4

Coach V sorted these figures into two groups. What attributes did he use to sort the figures?

• Group A has figures with only right angles. Group B has figures with only obtuse angles.

• Group A has figures with both parallel and perpendicular sides. Group B has figures with no perpendicular sides.

• Group A has figures with only parallel sides. Group B has figures with only perpendicular sides.

• Group A has figures with only right angles. Group B has figures with only acute angles.

A right trapezoid is a quadrilateral with one pair of parallel sides and two right angles. Which of these is a right trapezoid?

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Mr. Yates walks around the perimeter of a square playground every day for exercise. Each side of the playground is 29 yards long. What is the perimeter of the playground in FEET?