√245c^2 simplify : i got it 7c √5 but the answers are : a) 7c^2 √5c b) 7c^4 √5c c) 7 √5c^5 d) 49c^2 √5 , and explain . you

If a distance of 75 yds is measured back from the edge of the canyon and two angles are measured , find the distance across the canyon angle acb = 50° angle abc=100° a=75 yds what does c equal?