Question

The following table Shows them
obtaind by Rakesh out of 20i
different subject doserve the take
and answer the questions
No of mank
00
Subject
English
maths
sciena
000
Scale = 1 Que for
Smarki
How many marks are obtained
Rakesh in mathematics a
How many marks are obtained he
Rakesh in mathematica? og
In which
subject
the
are
marks obtaind
Test?​

Answer 1

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

∘

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