Angles and Triangles

Does a triangle with these side lengths exist?
20, 10, 9

• Yes, only one
• No
• Yes, many

Tags

CCSS.7.G.A.2

9. Which of these lengths CANNOT represent the sides of a triangle?

• 32, 34, 60
• 28, 30, 58
• 13, 20, 27
• 2, 4, 5

Tags

CCSS.7.G.A.2

If 2 of the angles of a triangle are 30 and 70 degrees, the third angle measures...

• 80
• 100
• 60
• 90

Tags

CCSS.8.G.A.5

The Triangle Inequality Theorem states the sum of the lengths of any two sides of a triangle is ________________ the length of the third side.

• greater than
• less than 
• equal to

If you are given three angles of a triangle what will be true?

• You can make infinitely many unique triangles.

• You can't make any triangles with this information.

• You can only make one unique triangle.

• You can only make 2 unique triangles.

Tags

CCSS.7.G.A.2

An equilateral triangle has

• all sides in different lengths.
• all sides in equal lengths.
• two sides in equal lengths.

Tags

CCSS.4.G.A.2

An isosceles triangle has

• all congruent sides.

• all congruent angles.

• two congruent sides.

• all sides different in length.

Tags

CCSS.2.G.A.1

A triangle with all sides in different length is

• an equilateral triangle.

• an isosceles triangle.

• a scalene triangle.

Tags

CCSS.4.G.A.2

Find the measure of the indicated angle.

• 26

• 36

• 85

• 144

Tags

CCSS.8.G.A.5

Find the measure of angle A.

• 44^o

• 96^o

• -14^o

• 63^o

Tags

CCSS.8.G.A.5