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In an isosceles triangle, one angle is 7...

In an isosceles triangle, one angle is `70°`. The other two angles are of
I. `55^@ and 55^@` II. `70^@ and 40^@`. III. Any measure
In the given option(s) which of the above statement(s) are true?

A

I only

B

ii only

C

iii only

D

I and ii only

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NCERT EXEMPLAR-TRIANGLES-EXERCISE CHOOSE THE CORRECT ONE
  1. In Fig. 6.7, PQ = PS. The value of x is

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  2. In a right-angled triangle, the angles other than the right angle are

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  3. In an isosceles triangle, one angle is 70°. The other two angles are o...

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  4. In a triangle, one angle is of 90° Then(i) The other two angles are...

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  5. Lengths of sides of a triangle are 3 cm, 4 cm and 5 cm. The triangle i...

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  6. In Fig. 6.8, PB = PD. The value of x is

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  7. In Delta ABC.

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  8. The top of a broken tree touches the ground at a distance of 12 m from...

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  9. The trianlge ABC formed by AB = 5 cm, BC = 8 cm, AC = 4 cm is

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  10. Two trees 7 m and 4 m high stand upright on a ground. If their bases (...

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  11. If in an isosceles triangle, each of the base angles is 40°, then the...

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  12. If two angles of a triangle are 60° each, then the triangle is

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  13. The perimeter of the rectangle whose length is 60 cm and a diagonal is...

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  14. In ∆PQR, if PQ = QR and ∠Q = 100°, then ∠R is equal to

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  15. Which of the following statements is not correct?

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  16. In Figure, BC = CA and ∠A = 40. Then, ∠ACD is equal to

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  17. The length of two sides of a triangle are 7 cm and 9 cm. The length of...

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  18. From Fig. 6.10, the value of x is

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  19. In Fig. 6.11, the value of ∠A + ∠B + ∠C + ∠D + ∠E + ∠F is

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  20. In Fig. 6.12, PQ = PR, RS = RQ and ST || QR. If the exterior angle RPU...

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