MATH 1312 Quiz 11

The measures of two sides of a triangle are 14 and 16. Between what two numbers must the measure of the third side fall?

2 and 30

Suppose that AB is the base of isosceles △ABC (not shown). Find the perimeter of △ABC if AB=7 and BC=9.

25

Given m∠X = m∠Y = 40° in △XYZ (not shown). Which of the following is a correct description of △XYZ?

Isosceles obtuse triangle

Using the accompanying drawing, find m∠ABD if m∠BAC=60° and m∠BDC=70°

NOT 10°

Compare AB and AD.

NOT AB > AD

Two of the sides of an isosceles triangle have lengths of 12 cm and 4 cm. What is the length of the base?

NOT None of the above Answer choices were: 5 cm 4 cm 6 cm 8 cm 12 cm

Is it possible to draw a triangle whose angles measure 80°, 80°, and 60°?

Not possible

In the triangle below, m∠K=50° and m∠N=80°. Fill in the blank: KN is of △KNT.

congruent to one other side

A triangle is isosceles. If one angle of the triangle measures 92°, what are the measures of the largest and smallest angles of the triangle?

largest angle = 92°; smallest angle = 44°

Given that the three sides of △PQR (not shown) are PQ=6, QR=7, and PR=12, arrange the angles by size.

m∠Q > m∠P > m∠R