Math, asked by ronit7610, 9 months ago

For what value of k, the following pair of linear equations has infinitely many solutions?
10x + 5y – (k – 5) = 0
20x + 10y – k = 0

Answers

Answered by arsh122100
2

Answer:

In △ABC AB=AC

⇒∠B=∠C (Angles opposite to equal sides are equal)

Now using angle sum property

∠A+∠B+∠C=180

⇒80

+∠C+∠C=180

⇒2∠C=180

−80

⇒∠C=

2

100

=50

now ∠C+∠x=180

(Angles made on straight line (AC) are supplementary)

⇒50

+∠x=180

⇒∠x=180

−50

=130

@ARSH♥️♥️

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