In ΔABC, D and E are the points on sides AB and AC, respectively, such that DE || BC. If AD = x, DB = x - 2, AE = x + 2 and EC = x - 1, then (AB + AE) is equal to:
(all measurements in cm)
1
12
2
13
3
10
4
9
In ΔABC, D and E are the points on sides AB and AC, respectively, such that DE || BC. If AD = x, DB = x - 2, AE = x + 2 and EC = x - 1, then (AB + AE) is equal to:
(all measurements in cm)