Answer:
d. 6.99
Step-by-step explanation:
You have a right triangle with the right angle marked.
The hypotenuse is opposite the right angle and has no length given.
For the 25-deg angle, the side with length 15 is the adjacent leg, and the side with length x is the opposite leg.
The trigonometry ratio that relates the opposite leg to the adjacent leg is the tangent ratio.
Solve for x by multiplying both sides by 15.
Use a calculator to find the value of x.
The most appropriate choice for equilateral triangle will be given by
Value of x =
What is equilateral triangle?
A closed two dimensional figure with three sides and three angles is called triangle.
Based on sides of triangle, triangle can be classified as equilateral, isosceles and scalene
The triangle whose all sides and all angles are equal is called equilateral triangle. All the angles of equilateral triangle are 60°
Here,
Since the triangle is equilateral, angle of triangle is 60°
sin 60° =
=
To learn more about equilateral triangle, refer to the link:
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