A triangle is a closed figure bounded by

• three lines.

• two lines.

• four lines.

• five lines

Triangles whose one angle is 90 degree is

• obtuse angle triangle

• acute angle triangle

• right angle triangle

• none of the above

Triangle whose all sides and angles are equal is

• acute angle triangle

• Equilateral triangle

• obtuse angle triangle

• isosceles angle triangle

Triangle having two sides are equal is

• Scalene triangle

• isosceles triangle

• equilateral triangle

• none of the above

Acute angle means

• more than 90 degree

• angle between 90 degree and 180 degree

• less than 90 degree

• 180 degree

The triangle sum theorem states that the sum of the interior angles of all triangles equals ________.

• 100*

• 180*

• 90*

• 360*

Tags

CCSS.8.G.A.5

Which would be the best classification for the triangle shown?

• acute isosceles
• equiangular scalene
• equiangular isosceles
• equiangular equilateral

Tags

CCSS.4.G.A.2

What is the value of the missing angle?

• 61
• 50
• 60
• 69

Tags

CCSS.8.G.A.5

What is the value of x?

• 10
• 5
• -12
• 9

Tags

CCSS.8.G.A.5

What do the angles in an equilateral triangle measure?

• 30, 60, 90
• 60, 60, 60
• 45, 45, 90
• 35, 55, 90

Tags

CCSS.8.G.A.5