Use distributivity to split the multiplication
6*107
=6(100+7)
=600+42
=642
Answer:
4
Step-by-step explanation:
∠BCD = 57°
∴ ∠BDR = ∠BCD = 57° (angle that meets the chord and the tangent is equi-angular to the angle at the alternate segment)
I think that i got it but at the same time not sure but the value of a+b should be 14+20