3 years ago

Can anyone find the value of b?

Mathematics

2 answers:

Pachacha [2.7K]3 years ago

6 0

Answer:

$b=56$

Step-by-step explanation:

Angles in a straight line add up to 180°.

$180-99$

$=81$

Angles in a triangle add up to 180°.

$180-81-43=b$

$56=b$

serg [7]3 years ago

6 0

Answer:

b=56

Step-by-step explanation:

first angle is 43

second angle is 180-99=81

the sum of angles of triangle= 180

b+43+81=180

b=180-124=56

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