How to find the the area of a regular triangle in a circle

X=8 units and h=5 units what is the area of the triangle

How to solve 2x-8y=16

From a piece of yarn 3 yards long, Sylvia cut piece 1.85 yards long. how long was the remaining piece?

What is the volume of a sphere with a radius of 9 inches

If a car travels 120 miles in 2 hours, what is it rate of speed expressrd as a unit rate

If g (4) = 16, g (5) = 18, g (6) = 20, then g (3) = ?

A rectangle has length (4x+ 5) and breadth 3x. Find the area of the rectangle.

A pattern has 1,000 identical circles. If 665 of the circles are orange, what decimal represents the part of the pattern that is orange? Why? A. 665 B. 66.5 C. 6.65 D. 0.665

3.) What is h (5) ? What does this mean?

I was wondering how to find these things about the Singapore flyer (ferries wheel) ? The measure of the central angle in degrees, the measure of the central angle in radian, the arc length between two cars, and the area of a sector between two cars?