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Heron's Formula [NEW] — Maths STD 9 — Question

Gujarat BoardEnglish MediumSTD 9MathsHeron's Formula [NEW]1 Mark
MCQ
Statement-1 (A): The area $\Delta$ of an isosceles triangle with base and each equal side è is given by $\Delta=\frac{a}{4} \sqrt{4 b^2-a^2}$
Statement-2 (R): The area $\Delta$ of a triangle with semi-perimeters and sides a, b and e is given by $\Delta=\sqrt{s(s-a)(s-b)(s-c)}$.
  • ✓
    Statement-1 is true, Statement-2 is true; Statement-2 is a correct explanation for Statement-2
  • B
    Statement-1 is true, Statement-2 is true: Statement-2 is not a correct explanation for Statement-1.
  • C
    Statement-1 is true. Statement-2 is false.
  • D
    Statement-1 is false, Statement-2 is true.
✓

Answer

Correct option: A.
Statement-1 is true, Statement-2 is true; Statement-2 is a correct explanation for Statement-2
A

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