Mat
15) if bcde is congruent to opqr, then de is congruent to

a) ro
b)pq
c)qr
d)op

16) in this figure, δbae≅dea. which statement is true by cpctc. look at the first picture.

a) ∠gae≅∠gea
b) ∠fgb≅∠fge
c)∠bea≅bec
d) ∠dge≅∠fga

17) if y = 22, find m∠c. look at the second picture.

a) 136
b)60
c)68
d)44

18) in the diagram δabc≅δedc. which statement is not necessarily true? look at the third picture.

a) ∠b≅∠d
b) ∠a≅∠e
c) bc≅ce
d) de≅ab

19) use the information given in the diagram. tell why uw≅uw and ∠uvw≅∠wxu look at the fourth picture

a) reflexive property; given
b)given; reflexive property
c)reflexive property; transitive property
d)transitive property; reflexive property

20) find the values of x and y that make these triangles congruent by hl. look at the fifth picture.

a) x=3, y=4
b) x=6, y=5
c)x=4,y=3
d)x=5,y=6

21. to use the hl theorem to prove two triangles are congruent, the triangles must be right triangles. which other conditions must also be met?

a) the triangles have congruent hypotenuses.
b)the triangles have two pairs of congruent legs.
c)the triangles have congruent hypotenuses and one pair of congruent legs.
d)the triangles have congruent hypotenuses and two pairs of congruent legs.