Question

7) In the given figure if a - b = 30°, find the value of a and b.​

Answer 1

Step-by-step explanation:

$a + b = 180 \: degrees \\ \ a - b = 30 \: degrees \: \\ adding \: this \: both \: we \: get \\ 2a = 21 \\ a = 105 \\ as \: a + b = 180 \: and \: a \: is \: 105 \: \\ b \: = 180 - 105 = 75.$

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Answer 2

Answer:

Here you can solve this by applying geometrical formula as that.