743.25
Explanation:
To find the area of a triangle you use this formula (h= height b=base) A=hb/2 So 26*30/2=390
To find the area of a circle you use this formula (r= radius π=3.14) A=πr^2 So 3.14*15^2=706.5 Now cut it in half because it's a half circle 706.5/2=353.25
Add them 353.25+390= 743.25