Answer:
(√3)/2 -1 ≈ -0.133974596
Step-by-step explanation:
2sin²(30°)tan(60°) -3cos²(60°)sec²(30°)
= 2(1/2)²(√3) -3(1/2)²(2/√3)²
= 2(1/4)√3 -3(1/4)(4/3)
= (√3)/2 -1 ≈ -0.133974596
The diameter of a circle is 6 meters. What is the circle's circumference?
1 answer:
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Answer:
Step-by-step explanation:
Triangle:
Base = 4 units
Height = 3 units {perpendicular height}
= 6 square units
Rectangle:
To find the area count the number of squares. Number of square = 6
Area = 6 square units
or You can find the area of the rectangle as bellow also
Length = 3 units
Width = 2 units
Area = length*width
= 3*2
= 6 square units
Both the triangle and rectangles has the same area 6 square units