If ΔPQR and ΔSQR are both isosceles triangle on a common base QR such that P and S lie on the same side of QR. Are triangles PSQ and PSR congruent? Which condition do you use?
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Perimeter of an isosceles triangle is 50cm. If one of the two equal sides is 18cm, find the third side.
The third side is 14 cm.
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The base of an isosceles triangle is 4/3 cm. The perimeter of the triangle is 4 2/15 cm. What is the length of either of the remaining equal sides?
Let the length of equal sides be x cm. Perimeter = x cm + x cm + Base = 4 2/15 cm 2x + 4/3 = 62/15 On transposing 4/3 to R.H.S, we obtain 2x...
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Each of the 2 equal sides of an isosceles triangle is twice as large as the third side. If the perimeter of the triangle is 30 cm,
Correct answer is 6 cm, 12 cm, 12 cm
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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. The length of two sides of a triangle are 7 cm and 9 cm. The length of the third side may lie between
Correct answer is (c) 3 cm and 16 cm
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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
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The longest side of a triangle is twice the shortest side and the third side is 2cm longer than the shortest side.
Let the length of shortest side be x cm. According to the given information, Longest side = 2 x Shortest side = 2x cm And third side = 2 + Shortest side =...
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In the structure of diborane (i) All hydrogen atoms lie in one plane and boron atoms lie in a plane perpendicular to this plane.
(ii) 2 boron atoms and 4 terminal hydrogen atoms lie in the same plane and 2 bridging hydrogen atoms lie in the perpendicular plane.
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In a triangle, the perpendicular from the vertex to the base bisects the base. The triangle is (a) right-angled (b) isosceles
(b) Isosceles In an isosceles triangle, the perpendicular from the vertex to the base bisects the base.
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