Math, asked by dakshadaksha4002, 10 months ago

in the adjoining figure D is a point on BC such that angle ABD is equals to angle C A D if ab is equals to 5 cm is equals to 4 cm and ac is equals to 3 cm then find angle abc and angle ADC and area of triangle ACD ratio area of triangle BCA​

Answers

Answered by arsh122100
0

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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