A+b intercepts an arc of measure (360° -110°) = 250°. That makes the value of a+b equal to 250°/2 = 125°.
Ok what you have to do is you have to multiply 32x12 wich would equal = 54
1 7/10 kg
Hope this helps! (:
you have to convert meters to centi-meters first;
800m = 80000 cm & 154m = 15400 cm
Now, Substitute that in your original equation;
80035 cm - 15449
64586 cm
