Basic Triangle Properties

What is the range of values of x for a triangle's third side given side measures of 8 and 15?

• between 8 and 15

• between 7 and 23

• less than 7, greater than 23

What is the name of this kind of triangle?

• Right

• Scalene

• Isosceles

• Equilateral

Look at the sides and angles of this triangle. Which type of triangle is pictured?

• Equilateral Triangle

• Right Isosceles Triangle

• Obtuse Scalene Triangle

• Obtuse Equilateral Triangle

Which statement is true?

• Isosceles triangles have all different internal angles.

• Isosceles triangles have two equal internal angles.

• Isosceles triangles have three equal internal angles.

List the lengths of the sides of the triangle in order from smallest to largest.

• KL, JL, JK

• KL, JK, JL

• JK, JL, KL

• LJ, JK, KL

List the angles of the triangle in order from smallest to largest.

A charter plane travels from Barrow, Alaska, to Fairbanks. From Fairbanks, it flies to Nome,
and then back to its starting point in Barrow.
Which of the three legs of the trip is
the longest?

• Fairbanks to Nome

• Nome to Barrow

• Barrow to Fairbanks

• Anchorage to Fairbanks

Write the equation you would use to solve for x.  (Don't simplify anything.)

Write the equation you would use to solve for x. (Don't use parentheses in your answer. Don't simplify anything either.)

Do the three angles of a triangle always add up to 180?