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15 questions
In two triangles DEF and PQR, if DE = QR, EF = PR and FD = PQ, then
∆DEF ≅ ∆PQR
∆FED ≅ ∆PRQ
∆EDF ≅ ∆RPQ
∆PQR ≅ ∆EFD
In ∆ABC, BC = AB and ∠B = 80°. Then ∠A is equal to:
80o
40o
50o
100o
Two sides of a triangle are of length 5 cm and 1.5 cm. The length of the third side of the triangle cannot be:
3.6 cm
4.1 cm
3.8 cm
6.9 cm
In ∆PQR, if ∠R > ∠Q, then
QR > PR
PQ > PR
PQ < PR
QR < PR
In the given figure, if the exterior angle is 135o then ∠P is:
45o
60o
80o
90o
It is given that Δ ABC ≅ Δ FDE and AB = 5 cm, ∠B = 40° and ∠A = 80°. Then which of the following is true?
DF = 5 cm, ∠F = 60°
DF = 5 cm, ∠E = 60°
DE = 5 cm, ∠E = 60°
DE = 5 cm, ∠D = 40°
In triangles ABC and DEF, AB = FD and ∠A = ∠D. The two triangles will be congruent by SAS axiom if:
BC = EF
AC = DE
AC = EF
BC = DE
In triangle ABC, AB = AC and angle A : angle B = 8 : 5 , find angle A .
100
20o
70o
80o
ΔEFC
ΔECF
ΔDEF
ΔFEC
In triangles ABC and PQR, AB = AC, ∠C = ∠P and ∠B = ∠Q. The two triangles are:
Isosceles but not congruent
Isosceles and congruent
Congruent but not isosceles
Neither congruent nor isosceles
Which congruence criterion do you use in the following?
Given: ZX = RP, RQ = ZY, ∠ PRQ = ∠ XZY
So, ∆ PRQ ≅ ∆ XYZ
SSS
SAS
RHS
ASA
Which congruence criterion do you use in the following?
SSS
SAS
ASA
RHS
In the following figure, the two triangles are congruent. The corresponding parts are marked. We can write ∆ RAT = ?
∆ WON
∆ WNO
∆ OWN
∆ ONW
If ∆ ABC and ∆ PQR are to be congruent, name one additional pair of corresponding parts
BC = QR
BC = PQ
BC = PR
none of these
Complete the congruence statement ∆ BCA ≅ ?
∆ BTA
∆ BAT
∆ ABT
∆ ATB
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