A) Work out the value of 23 + 52 b) Work out the value of 72 – 33
c) Work out the value of 82 + 100​

Step-by-step explanation:

a) Work out the value of 23 + 52=75

b) Work out the value of 72 – 33=39

c) Work out the value of 82 + 100=182

Step-by-step explanation :

a) 75

b) 39

C) 182

127

whether it's diameter, or radius, i believe if i remember correctly from school, every amount has to always add up to 180. so if you take 53, and starting adding, long story short, taking 127 and adding it to 53, gives you 180.