Question

In Fig. 8.5, ADC is

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Answer 1

Answer:

The angle is 60⁰

$\leadsto∠A+∠B+∠C=180⁰$

$\leadsto∠A+∠A+∠A=180⁰$

$\leadsto3∠A=180⁰$

$\leadsto∠A= \frac{180}{3}$

$\leadsto∠A=60⁰$

[Hope this helps you.../]

Answer 2

Answer:

The angle is 60⁰

∠A+∠B+∠C=180⁰⇝∠A+∠B+∠C=180⁰

∠A+∠A+∠A=180⁰⇝∠A+∠A+∠A=180

3∠A=180⁰⇝3∠A=180⁰

∠A= \frac{180}{3}⇝∠A=

3

180

∠A=60⁰⇝∠A=60⁰

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