Answer: 150
We know that cos Ф = sin (90 - Ф)
If Ф = 150, then:
cos 150 = sin (150 - 90)
cos 150 = sin 60
Using the equation they gave us:
cos 150 = sin ( - 10)
cos 150 = sin 60
True or False? All equalateral triangles are acute and isosceles.
2 answers:
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We are asked to find the area of patio. It is circular so formula used for area is given by:
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r = radius = diameter / 2 = 20 / 2 = 10 feet
When we round this to the nearest whole number:
Where
r = radius = diameter / 2 = 20 / 2 = 10 feet
When we round this to the nearest whole number: