plz help me out wiv a few Qs.. thnx

[Samira]

Q1. ABCDE is a regular pentagon of side 14cm.
Calculate
a) the length of AC
(b) the area of the pentagon

Q2. In angle ABC, anngle B=90 degrees and tan angle= 3/4, find teh value of teh following
a) cos angleA
b) sin (90degrees - angleA)

Q3. A vertical flagstaff 25cm high stands on horizontal ground. If teh angle of elevation of the top if teh flagstaff from a point X on the ground is found to be 25 degrees, find the distance of X from the foot of teh flagstaff

thnx..

[TrueTears]

didn't you post this question in the methods forum? If so, please check there.