#1
- 1/2(Sum of parallel sides)Height=Area
Area
- 1/2(6+14)(5.5)
- 1/2(20)(5.5)
- 10(5.5)
- 55in²
#2
Apply Pythagorean theorem
- B²=14²-12²=196-144=52
- B\approx 7
Area
- 1/2(52+8)(12)
- 6(60)
- 360yd²
#3
Area
- 1/2(Diagonals)
- 1/2(6+6)(9+3)
- 1/2(12)12)
- 6(12)
- 72ft²