Question

any maths expert here pls solve this pls pls​

Answer 1

Step-by-step explanation:

a=31cm

b=U (central angle)

Answer 2

Answer:

hello_

IN a rectangle all angles are 90°

a+59 = 90

a= 90-59

a=31°

45 + 45 + b = 180

90+ b= 180

b = 180 - 90

b = 90

Step-by-step explanation: