Which statement is NOT true of this rhombus? 

• It has 2 obtuse angles.
• It has 2 pairs of parallel sides.
• It has 2 angles that are less than 90°.
• It has 2 pairs of perpendicular sides. 

Tags

CCSS.HSG.CO.C.11

Which of the following statements is true of the triangle?
1. It has no right angles.
2. It has 2 acute angles.
3. It has 1 pair of perpendicular sides.

• Statement 1 only
• Statement 3 only
• Statements 1 and 2 only
• Statements 1, 2, and 3

Lincoln sorted these figures into two groups.
What attribute did Lincoln use to sort the figures?

• Group A has figures with only right angles, while Group B has figures with only obtuse angles. 
• Group A has figures with both parallel and perpendicular sides, while Group B has figures with no perpendicular sides. 
• Group A has figures with only parallel sides, while Group B has figures with only perpendicular sides. 
• Group A has figures with only right angles, while Group B has figures with only acute angles. 

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Juan plants a garden in the shape of a triangle. The angles of the triangle measure 45°, 40°, and 95°. How would you classify the shape of Juan's garden?

• Acute triangle
• obtuse triangle
• right triangle
• regular triangle

Tags

CCSS.4.G.A.2

Sheffield Elementary builds a new playground  in the shape of a triangle. The angles of the triangle measure 54°, 43°, and 83°. How would you classify the shape of Sheffield Elementary's new playground?

• Acute triangle
• obtuse triangle
• right triangle
• regular triangle

Tags

CCSS.4.G.A.2

Suzy draws a triangle on her paper. The angles of the triangle measure 28°, 90°, and 62°. How would you classify Suzy's triangle?

• Acute triangle
• obtuse triangle
• right triangle
• regular triangle

Tags

CCSS.4.G.A.2

True or False.
A trapezoid has 2 pairs of parallel sides. 

• True
• False

True or False.
An obtuse triangle has 2 obtuse angles. 

• True
• False

Tags

CCSS.4.G.A.2

A rhombus has 2 acute angles and 2 obtuse angles.

• True
• False

Use the picture to answer the question. 
Which angle has a measure of 52°?

• 〈TVU
• 〈SVT
• 〈RVS
• 〈SVU

Tags

CCSS.4.MD.C.6