TRIANGLES

In Δ ABC, AB = AC and ∠B = 50°. Then ∠C is equal to
1. 40°
2. 50°
3. 80°
4. 130°
In ΔABC, ∠C = ∠A and BC = 6 cm and AC = 5 cm. Then the length of AB is:
1. 6cm
2. 5cm
3. 3cm
4. 2.5cm
If one angle of a triangle is equal to the sum of other two angles, then the triangle is
1. an isosceles triangle
2. an obtuse triangle
3. an equilateral triangle
4. a right triangle
If ΔABC, is right angled at B, then
1. AB = AC
2. AC < AB
3. AB = BC
4. AC > AB
In ΔABC if AB = BC, then
1. ∠B > ∠C
2. ∠A = ∠C
3. ∠A = ∠B
4. ∠A < ∠B
In ΔPQR, ∠P = 60°, ∠Q = 50°. Which side of the triangle is the longest?
1. PQ
2. QR
3. PR
4. None
P is a point on side BC of Δ ABC, such that AP bisects ∠BAC, then
1. BP = CP
2. BA > BP
3. BP > BA
4. CP < CA
In the give figure q-8, AD is the median, then ∠BAD is:
1. 55°
2. 50°
3. 100°
4. 40°
If ΔABC ≅ ΔDEF by SSS congruence rule then :
1. AB = EF, BC = FD, CA = DE
2. AB = FD, BC = DE, CA = EF
3. AB = DE, BC = EF, CA = FD
4. AB = DE, BC = EF, ∠C = ∠F
In a Δ ABC, ∠A = ∠C. If BC = 3 and AC = 4 then the perimeter of the triangle is
1. 7
2. 10
3. 12
4. 14
From the following which condition is not possible for the congruence of two triangles ?
1. ASA
2. AAS
3. AAA
4. SSS
In a right angled triangle, if one acute angle is half the other, then the smallest angle is:
1. 15°
2. 25°
3. 30°
4. 35°
In ∆ABC, BC = AB and ∠B = 80°. Then ∠A is equal to
1. 80
2. 40
3. 50
4. 100
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:
1. 3.6cm
2. 4.1cm
3. 3.8cm
4. 6.9cm
In ∆PQR, if ∠R > ∠Q, then
1. QR > PR
2. PQ > PR
3. PQ < PR
4. None
ΔABC ≡ ΔFDE and AB = 5cm, ∠B=40° and ∠A = 80° then which of the following is true?
1. DF = 5cm, ∠F = 60°
2. DF = 5cm, ∠E = 60°
3. DE = 5cm, ∠E = 60°
4. DE = 5cm, ∠D = 40°
All the medians of a triangle are equal in case of a:
1. Scalene triangle
2. Right angled triangle
3. Equilateral triangle
4. Isosceles triangle
If in ΔPQR, PQ = PR then:
1. ∠P = ∠R
2. ∠P = ∠Q
3. ∠Q = ∠R
4. None
In a triangle ABC, ∠B = 35° and ∠C = 60°, then
1. ∠A = 80°
2. ∠A = 85°
3. ∠A = 120°
4. ∠A = 145°
In triangles ABC and PQR, AB = AC, ∠C = ∠P and ∠B = ∠Q. The two triangles are
1. isosceles but not congruent
2. isosceles and congruent
3. congruent but not isosceles
4. neither congruent nor isosceles

TRIANGLES

Quiz