Introduction to Angles and Lines

If one angle of a triangle is equal to the sum of other two angles, then the triangle is ____

• an isosceles triangle
• an obtuse angled triangle
• an equilateral triangle
• a right angled triangle

Tags

CCSS.8.G.A.5

Say 'TRUE' or 'FALSE'
A triangle must have at least two acute angles

• TRUE
• FALSE

Tags

CCSS.4.G.A.2

Through a given point, how many perpendiculars to a given line can be drawn?

• 1
• 2
• 3
• Not possible to draw

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

• x = 60⁰
• x = 80⁰
• x = 120⁰
• x = 70⁰

Tags

CCSS.7.G.B.5

An angle which is complement of itself is___

• 90°

• 60°

• 45°

• 55°

Tags

CCSS.7.G.B.5

• ∠a = 60°
• ∠a = 50°
• ∠a = 10°
• ∠a = 55°

Tags

CCSS.8.G.A.5

The supplementary angles of 132° is ______

• 48°
• 58°
• 68°
• 38°

Tags

CCSS.7.G.B.5

Say 'TRUE' or 'FALSE

Lines parallel to same line are perpendicular to each other.

• TRUE

• FALSE

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

If two adjacent angles are equal, then the measure of each of these angles is ____

• 90°
• 60°
• 180°
• 45°

Tags

CCSS.7.G.B.5

• 135°
• 145°
• 35°
• 45°

Tags

CCSS.8.G.A.5