Answer:
41/100.
Step-by-step explanation:
Per cent (%) means 'per hundred'.
as a fraction: 41/100.
As a decimal it is 0.41.
a = 5
a +a+4 + 2a-3 = 21
4a +1 =21
4a = 20
we know that
thus in the question ,
therefore , m∠B = 60°
hope helpful~