Question

In the following figure the measure of angle A is​

Answer 1

Answer:

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Answer 2

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$∠b \: = 60 ^{0} \\ ∠c = {40}^{0}$

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$∠a$

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$\tt \red{{b y \: angle \: sum \: property \: of \: a \: traiangle}}$

$∠a + ∠b + ∠c = {180}^{0}$

$∠a + ∠ {60}^{0} + ∠ {40}^{0} = {180}^{0}$

$∠a + 100 = {180}^{0}$

$∠a = 18 {0}^{0 } - {100}^{0}$

$\boxed{∠a = {80}^{0} }$

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