Congruent Triangles Question Preview (ID: 55275)


Recognizing Congruent Triangles Using Different Criteria. TEACHERS: click here for quick copy question ID numbers.

To prove congruent triangles using the special cases, we should have in the two triangles:
a) right angles
b) right angles and equal hypotenuses
c) three pairs of equal angles
d) right angles, equal hypotenuses and pair of equal sides or angles

In figure (2), MNO is a right triangle at O. the side MN is the:
a) height
b) leg 1
c) hypotenuse
d) base side

In figure (3) and referring to the remarks, ABD and CBD are congruent by :
a) S S S
b) A S A
c) R H S
d) R H A

In figure (1), XYZ is :
a) an isosceles triangle with main vertex X
b) an isosceles triangle with main vertex Y
c) a right triangle at Y
d) an equilateral triangle

In figure (4), the two triangles AOC and BOD are congruent by:
a) A S A
b) A A A
c) S A S
d) S S S

In figure (5), the two triangles HKJ and HIJ are congruent by:
a) S S S
b) S A S
c) A S A
d) S S S or S A S

In figure (6), the two triangles ABD and ACD can be proven congruent by:
a) R H A
b) R H S or S S S or S A S
c) A S A or R H S
d) A A A

In figure (7), ABH and ACH are congruent triangles by:
a) R H S
b) A S A
c) S A S
d) R H A

In figure (8), the triangle ACD is:
a) isosceles with main vertex D
b) equilateral
c) isosceles with main vertex A
d) isosceles with right angle at A

In figure (8), the two triangles ABC and AED are congruent by:
a) S A S
b) S S S
c) A S A
d) AAA

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