Here are my long answers (i can remember correctly):
(proof)
(proof)
$1199
22.5km/hr
18km
6km/hr
26m
3:10
17 degrees
(in diagram)
t = 26
4
t = 4s -2
41
can anyone confirm???
let x = AD
let y = AE
therefore EB = (10-y)
x^2 + y^2 = 6^2
x^2 + (10-y)^2 = 8^2
solve simulteously and you get y = 3.6
then sub back into equation, x = 4.8
therefore area = 4.8 x 10.