3.1 - 3.4 Quiz Prep

An equilateral triangle is _________________ an isosceles triangle

• always

• sometimes

• never

Tags

CCSS.4.G.A.2

If two angles are supplementary, then they are ________________________ adjacent.

• always

• sometimes

• never

Answer explanation

Only LINEAR PAIRS are always adjacent.

Tags

CCSS.7.G.B.5

If a triangle is equilateral, then it is ________________________ obtuse.

• always

• sometimes

• never

Answer explanation

If it's equilateral, it's equiangular 100% of the time!!!!!!!!!!!!!!!!

Tags

CCSS.4.G.A.2

A triangle that has three congruent sides is ________________________ equiangular.

• always

• sometimes

• never

Tags

CCSS.4.G.A.2

The acute angles of a right triangle are ________________________ complementary.

• always

• sometimes

• never

Answer explanation

180 - 90 = 90

Tags

CCSS.7.G.B.5

The sum of the interior angles of a triangle is ________________________ equal to 180°.

• always

• sometimes

• never

Tags

CCSS.8.G.A.5

The hypotenuse is ________________________ opposite the right angle in a right triangle.

• always

• sometimes

• never

An obtuse triangle ________________________ contains more than one obtuse angle.

• always

• sometimes

• never

Answer explanation

The three angles have to add up to 180.

If we had multiple angles that are larger than 90, then you'd go over 180 before adding in the third angle measure!! It's impossible.

Tags

CCSS.4.G.A.2

The legs of an isosceles triangle are ________________________ congruent.

• always

• sometimes

• never

Name the sides from LARGEST to SMALLEST

• KJ, KH, JH
• JH, KH, KJ
• KH, KJ, JH
• KH, JH, KJ

Tags

CCSS.HSG.CO.C.10