Classify 2D Shapes

Heather made a triangle that has one 90° angle and two acute angles. Which term describes Heather’s triangle?

• Right triangle, because there is one 90° angle.

• Obtuse triangle, because the largest angle is obtuse.

• Acute triangle, because there are two acute angles.

• Right triangle, because all three angles are 90°.

Tags

CCSS.4.G.A.2

Which figure cannot have parallel line segments?

• A) Square

• B) Triangle

• C) Pentagon

• D) Trapezoid

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Lynn sorted figures into groups. The figures below were sorted into the same group. Which phrase best describes the figures in this group?

• at least 1 right angle

• at least 1 obtuse angle

• at least 1 pair of parallel lines

• quadrilaterals

Tags

CCSS.3.G.A.1

A set of figures is shown. Which figure has at least 1 right angle, 1 acute angle, and no parallel lines?

• Figure A

• Figure B

• Figure C

• Figure D

Tags

CCSS.4.G.A.1

Mauriz drew a shape. The shape had 4 sides and 4 sets of perpendicular lines. Which shape could be the one Mauriz drew?

• trapezoid

• rhombus

• right triangle

• rectangle

Tags

CCSS.5.G.B.4

Look at the figures shown. Which figures appear to be parallelograms?

• figures w, x, and y

• figures w and z

• figures w and y

• figures y and z

Tags

CCSS.HSG.CO.C.11

Ruiz sorted figures into groups. The figures below were sorted into the same group. Which best describes the figures in the group?

• A) figures with all right angles

• B) figures with no obtuse angles

• C) figures with only acute angles

• D) figures with right and obtuse angles

Tags

CCSS.4.G.A.1

Which figure cannot have an angle greater than 90°?

• rhombus

• square

• triangle

• parallelogram

Tags

CCSS.5.G.B.4