If the angles of a triangle are equal, find its angles.
Question types
Triangles question types
97 questions across 5 question groups — pick any mix to generate a MATHS paper with step-by-step answer keys.
97
Questions
5
Question groups
5
Question types
01
[1 Mark Question Answer]
1 Q→02[2 Mark Question Answer]
12 Q→03[3 marks sum]
34 Q→04[4 marks sum]
33 Q→05[5 marks sum]
17 Q→Sample Questions
Triangles questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
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Calculate the unknown marked angles of the following figure:
Calculate the unknown marked angles of the following figure:
Calculate the unknown marked angles of the following figure:
In a triangle ABC, ∠A = 45° and ∠B = 75°, find ∠C.
State, if the triangle is possible with the following angles :
125°, 40°, and 15°
125°, 40°, and 15°
Construct an equilateral Δ ABC such that:
Each side is 6 cm.
Each side is 6 cm.
Construct an isosceles Δ ABC such that:
Base AC = 5 cm and base angle = 75°. Measure the other two sides of the triangle.
Base AC = 5 cm and base angle = 75°. Measure the other two sides of the triangle.
Construct an isosceles Δ ABC such that:
Base BC = 4 cm and base angle = 30°. Measure the other two sides of the triangle.
Base BC = 4 cm and base angle = 30°. Measure the other two sides of the triangle.
Construct a ∆ PQR such that:
QR = 4.4 cm, ∠R = 30° and ∠Q = 75°. Measure PQ and PR.
QR = 4.4 cm, ∠R = 30° and ∠Q = 75°. Measure PQ and PR.
Construct a ∆ PQR such that :
PQ = 6 cm, ∠Q = 60° and ∠P = 45°. Measure ∠R.
PQ = 6 cm, ∠Q = 60° and ∠P = 45°. Measure ∠R.
Construct an isosceles ∆ ABC such that:
BC = AB = 5.8 cm and ZB = 30°. Measure ∠A and ∠C.
BC = AB = 5.8 cm and ZB = 30°. Measure ∠A and ∠C.
Construct an isosceles ∆ ABC such that:
One of the equal sides = 6 cm and vertex angle = 45°. Measure the base angles.
One of the equal sides = 6 cm and vertex angle = 45°. Measure the base angles.
Construct an isosceles ∆ ABC such that:
AB = AC = 6.5 cm and ∠A = 60°
AB = AC = 6.5 cm and ∠A = 60°
Construct an isosceles Δ ABC such that:
Base AB = 6.2 cm and base angle = 45°. Measure the other two sides of the triangle.
Base AB = 6.2 cm and base angle = 45°. Measure the other two sides of the triangle.
Construct a ∆ PQR such that:
PR = 5.8 cm, ∠P = 60° and ∠R = 45°. Measure ∠Q and verify it by calculations
PR = 5.8 cm, ∠P = 60° and ∠R = 45°. Measure ∠Q and verify it by calculations
Construct a ∆ PQR such that PQ = 6 cm, ∠QPR = 45° and angle PQR = 60°. Locate its incentre and then draw its incircle.
Construct an equilateral ∆ DEF whose one side is 5.5 cm. Construct an incircle to this triangle.
Construct an isosceles ∆ MNP such that base MN = 5.8 cm, base angle MNP = 30°. Construct an incircle to this triangle and measure its radius.
Construct a ∆ ABC such that AB = 6 cm, BC = 5.6 cm and CA = 6.5 cm.
Inscribe a circle to this triangle and measure its radius.
Inscribe a circle to this triangle and measure its radius.
Construct an equilateral triangle ABC such that it's one side = 5.5 cm. Construct a circumcircle to this triangle.
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