Answer:
j would be 130 cuz sides that are congruent have congruent angles so you add those two angles up and subtract from 180
No because if you split it in half the halves don’t match
The force of gravity is when the distance between two objects is d is:
F=(G*m1*m2)/d^2
The reciprocal would be 9/7 because a reciprocal is when you flip a fraction and put the denominator as the numerator and vice versa.