Question

secti
of the
wrich
following statement
following
in towe
number is.
as the sum of
andays
b) the sumos
hone
Sum of two irratione nom
cheays a national numbe
two
rationas is always a
rational number may be
odation
rational number
The sum of two irrational nom
olational on an orrat onde
nomber
Sum of tuo irrational number is
always an integer
dj The
sum of two irrational​

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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