Area of trapezoid = 1/2(b1+b2)(h)
<span>1/2(10 cm + 8 cm)(12cm) = </span>
<span>108 cm^2</span>
Answer:
Step-by-step explanation:
Ok so there are 7 different options for each of the remaining 7 people to be sat in which means that the answer can be given by 7!=7*6*5*4*3*2*1=5040 different ways