4th Grade Geometry Review

Lines that will never cross are called ​ lines.

(a)  

• parallel
• perpendicular
• straight

Tags

CCSS.HSG.CO.A.1

Lines that cross and make 90 degree angles are called ​ (a)   lines.​

• perpendicular
• parallel
• straight

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Obtuse angles are

• Less than 90 degrees

• Exactly 90 degrees

• Greater than 90 degrees

Tags

CCSS.4.G.A.1

Acute angles are

• Less than 90 degrees

• Exactly 90 degrees

• Greater than 90 degrees

Tags

CCSS.4.G.A.1

Right angles are

• Less than 90 degrees

• Exactly 90 degrees

• Greater than 90 degrees

Tags

CCSS.4.G.A.1

Select the acute angle.

Tags

CCSS.4.G.A.1

Select the obtuse angle.

Tags

CCSS.4.G.A.1

Select the right angle.

Tags

CCSS.4.G.A.1

What do the marks in the sides of this shape mean?

• Those sides are parallel

• Those sides are congruent

• Those sides are different

• Those sides are wrong

What do the marks on this shape mean?

• Those sides are parallel

• Those sides are perpendicular

• Those sides are congruent

• Those sides are wrong