Respuesta :

to find the area of a trapozoid you      ((b1+b2)/2)h=A
to find the area of a triangle you          bh/2=A
to find the area of a rectangle you       bh=A
to find the area of a circle you             (pi)r^2=A
1. find the area of the trapozoid and the triangle sepaerately then add them.
because there are lines on the side it means that they are the same length
(((11+11)/2)9)+((7)(11)/2)
((22/2)9)+(77/2)
((11)9)+(38.5)
(99)+(38.5)
137 cm^2
2. (3x16)+(((16+5)/2)10)
(48)+(((21)/2)10)
48+(10.5)10)
48+105
153 in^2
3. this problem you do in many parts
(18x6)+(5x6)+(4x1)
(108)+(30)+(4)
138+4
142 ft^2
4. for this problem you find the area of the triangle and the circle and subtract
(3.14(8)^2)-((16x8)/2)
(3.14x64)-(128/2)
(200.96)-(64)
136.96 ft^2
Hope you don't fail :)