Answer:
Step-by-step explanation: Given a=3 and b=15,
c = 3√26 = 15.297058540778
∠α = 11.31° = 11°18'36" = 0.1974 rad
∠β = 78.69° = 78°41'24" = 1.3734 rad
area = 22.5
perimeter = 33.297058540778
h =
15√26
26
= 2.9417420270728
