Choose the correct one.
If in an isosceles triangle, each of the base angles is 40°, then thetriangle is
(a) Right-angled triangle
(b) Acute angled triangle
(c) Obtuse angled triangle
(d) Isosceles right-angled triangle
Answered Feb 05, 2023
Correct answer is (c) Obtuse angled triangle
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...
Correct answer is 6 cm, 12 cm, 12 cm
Correct answer is (d) (i) and (ii)
Correct answer is (c) (iii) only
Correct answer is (c) Right-angled triangle
Correct answer is (c) Equilateral
Correct answer is (c) right
Correct answer is (d) 145°
In an isosceles triangle, two angles are always Equal.
(b) Isosceles In an isosceles triangle, the perpendicular from the vertex to the base bisects the base.
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