Choose the correct one.
If one of the angles of a triangle is 110°, then the angle between the bisectors of the other two angles is
(a) 70° (b) 110° (c) 35° (d) 145°
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Choose the correct one. In a right-angled triangle, the angles other than the right angle are (a) obtuse (b) right (c) acute (d) straight
Correct answer is (c) acute
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In a triangle, one angle is of 90°. Then (i) The other two angles are of 45° each (ii) In remaining two angles, one angle is 90° and other is 45°
Correct answer is (c) (iii) only
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Choose the correct one. Lengths of sides of a triangle are 3 cm, 4 cm and 5 cm. The triangle is (a) Obtuse angled triangle (b) Acute-angled triangle
Correct answer is (c) Right-angled triangle
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Choose the correct one. If in an isosceles triangle, each of the base angles is 40°, then the triangle is
Correct answer is (c) Obtuse angled triangle
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Choose the correct one. If two angles of a triangle are 60° each, then the triangle is
Correct answer is (c) Equilateral
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Choose the correct one. If one angle of a triangle is equal to the sum of the other two angles, the triangle is
Correct answer is (c) right
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Choose the correct one. If the exterior angle of a triangle is 130° and its interior opposite angles are equal,
Correct answer is (b) 65°
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Choose the correct one.In a right-angled triangle ABC, if angle B = 90°, BC = 3 cm and AC = 5 cm, then the length of side AB is
Correct answer is (b) 4 cm
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State whether the statements are True or False. If two angles of a triangle are equal, the third angle is also equal to each of the other two angles.
If two angles of a triangle are equal, the third angle is also equal to each of the other two angles. False
1 Answers 1 views
State whether the statements are True or False. If two angles and a side of a triangle are equal to two angles and a side of another triangle,
If two angles and a side of a triangle are equal to two angles and a side of another triangle, then the triangles are congruent. False
1 Answers 1 views