Vertex<span> typically means a corner or a point where lines meet for an example i guess you can say squares have four corners, each is called </span>a vertex<span>. The plural form of </span>vertex<span> is </span>vertices<span>.</span>
well, 1/7th of the cupcakes is 3. so 2/7ths makes 6. and 21 minus 6 is 15. So, your answer is 15.
Answer:28.0665 square feet
Step-by-step explanation:
b=9
c=7
angle A=63°
Area of =(bxcxsinA)/2
Area of =(9x7xsin63)/2
Area of =(9x7x0.8910)/2
Area of =(56.133)/2
Area of =28.0665