Seventy-five million three hundred thousand two hundred seven
Answer:
Perpendicular
Step-by-step explanation:
m=y2-y1/x2-x1
m=15-3/14-(-2)
m=3/4
Answer:
no b 11 sq.units is the answer
Answer: AB=√17, AD=√98,6
Step-by-step explanation:
AB²=BC²+AC²-2*BC*AC*cosACB
AB²=5²+4²-2*5*4*0,6=25+16-24=17
AB=√17
AD²=AC²+CD²-2*AC*CD*cosACD
cosACD=cos(180°-ACB)=-cosACB
AD²=4²+7²-2*4*7*(-0,6)=16+49+33,6=98,6
AD=√98,6
