If 5/8 = x/16 , then x is equal to
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The measure of the ∠Q = 41°
By law of cosines:
a law in trigonometry: the square of a side of a plane triangle equals the sum of the squares of the remaining sides minus twice the product of those sides and the cosine of the angle between them.
Which can we stated as:
solving equation using normal algebra:
60cos(Q) = 36 + 25 - 16
60 cos(Q) = 45
cos(Q) = 45/60
cos(Q) = 3/4
Thus, Q = 41°
Hence, the measure of the smallest angle in a triangle whose sides have lengths 4, 5, and 6. ∠Q is 41°.
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The approximate lateral area of the circular cone with has the base diameter 18 in and height 40 in long is 1,159 square inches
<h3>What is the lateral area of cone?</h3>Lateral area of the cone is the area bounded by the surface of the cone, and this Lateral area of the cone can be found out using the following formula.
here. (<em>h</em>) is the height of the cone and (<em>r</em>) is the radius of the cone.
A cone has a circular base with a diameter of 18 inches. The height of the cone is 40 inches.
Put these values in the above formula as,
Hence, the approximate lateral area of the circular cone with has the base diameter 18 in and height 40 in long is 1,159 square inches
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