Answer:
$8.20
Step-by-step explanation:
0.70*4=2.80
1.80*3=5.40
5.40+2.80=8.20
$8.20
3,7 corresponding 2,7 exterior
4,5 & 3,6 interior
2.25/12.50 = 0.18. then turn 0.18 into a percentage by doing 0.18 x 100 = 18%. Therefore, he gave an 18% tip.
AB²=5²+5²+5²=25+25+25=75
AB=5√3≈8.7
Answer:AB≈8.7