Question

ANS BOTH QUESTIONS

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Answer 1

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Answer 2

Answer:

(i) a = 4, b = 2, c = -3.4

(ii) 55°, 55°

Step-by-step explanation:

(i)

Given Equation is 4x + 2y = 3.5

⇒ 4x + 2y - 3.5 = 0

⇒ 4x + 2y + (-3.5) = 0

Comparing with ax + by + c = 0,

a = 4, b = 2, c = -3.5.

(ii)

Let the base angle be 'x'.

Given that vertical angle is 70°.

Sum of angles in a triangle is 180°

⇒ 70 + x + x = 180°

⇒ 70 + 2x = 180°

⇒ 2x = 110

⇒ x = 55°

So, the base angle is 55°.

Hope it helps!