Solve for x.

If KM is the perpendicular bisector of JL,

find x.

Find m∠YQR.

The altitudes of a triangle intersect at the:

The angle bisectors of a triangle intersect at

the:

Classify point C.

Classify point C.

H is the circumcenter of  $\Delta BCD$  ,
BC = 18 and HD = 14. Find CH

P is the incenter of  $\Delta JKL$ ,
PN = 21 and ML = 27. Find LO.

G is the centroid of  $\Delta ABC$ , FC = 35, AG = 42,
BF = 57 and DG = 14. Find BG.

G is the centroid of  $\Delta ABC$  , FC = 35, AG = 42,
BF = 57 and DG = 14. Find GC.

Which of the following could represent the side

lengths of a triangle? Check all that apply.

The lengths of two sides of a triangle are 26

meters and 48 meters. What is the range of

possible lengths, in meters, for the third side,

x, of this triangle? Write your answers in the

boxes.

Two sides of a triangle measure 17 inches

and 9 inches. Which cannot be the length

of the remaining side?

Which of the following lists the sides of  $\Delta DEF$  in order from shortest to longest?

In triangle PQR, PQ = 11 feet, QR = 7 feet, and

PR = 15 feet. Which lists the angles in order from smallest to largest?

In triangle GHJ, GH = 21 inches, HJ = 24 inches,

and GJ = 9 inches. Which statement is true?

Given the diagram below, which statement

is true?

Based on the measurements shown on $\Delta ABC$  , AB must be:

If the angles of $\Delta RST$   are m∠R = (9x – 2)°, m∠S = (4x + 36)°, and m∠T = (5x + 20)°, list the sides in order from shortest to longest.

The sides of  $\Delta FGH$ are FG = 6x + 7, GH = 8x – 5, and FH = 10x – 11. If the perimeter of  $\Delta FGH$  , is 87, list the angles in order from largest to smallest.