Question

triangle abc is similar to triangle def and the perimeter of triangle abc and triangle ded are 40 cm and 30 cm respectively . what is the ratio of (bc +ca) to (ef + fd) equals to ?​

Answer 1

Answer:

Additionalknowledge

Knowledge about Quadratic equations -

★ Sum of zeros of any quadratic equation is given by ➝ α+β = -b/a

★ Product of zeros of any quadratic equation is given by ➝ αβ = c/a

★ A quadratic equation have 2 roots

★ ax² + bx + c = 0 is the general form of quadratic equation

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