Rectangle diagonals are equal.
2(5a+1) = 2(a+1)
10a + 2 = 2a + 2
10a -2a = 2 - 2
8a = 0
⇒ a = 0
AC = 2(5a+1) = 2(5 × 0 +1)= 2(0 + 1) = 2 × 1 = 2 <span>
</span>BD = 2(a+1) = 2(0 + 1) = 2 <span>× 1 = 2
</span>
Ansver: AC = BD = 2
She cover more distance after rest 101.7-88.4625=13.2375
18 8/16 = 18.5....rounded to the nearest whole number = 19
Answer:
16an - 19an + 9an + 8b + 12b
6an + 20b
