Answer:
18
Step-by-step explanation:
this is the surface area but what is the question
<span><span>θi</span>=<span>sin<span>−1</span></span>(μsin<span>θr</span>)
=<span>sin<span>−1</span></span>(1.33×sin46.5)
=74.7degrees</span>
Answer:
7(2x +7)
Step-by-step explanation: