Sec is 1/cos so sec -120 is 1/cos -120 which is -2
You need to form an algebraic equation. 4.5+h=7.3 therefore h= 7.3 - 4.5 when you take 4.5 to the other side it becomes negative therefore the answer is 2.8.
4(9*11/2)
=198
198+9*9
198+81
=279 inches
279 inche= 23.25square foot
23.25*0.112*<span>10,000
</span>=<span>26040
</span>
Answer:
what story problem are u talking about