The rectangle OABC has one vertex at O, the center of the circle. A second vertex A is 3cm from the edge of the circle as shown below. The vertex A is also a distance of 15cm from C. (a). what is the radius of the circle? (b). Find the length of AB, correct to 1 decimal place.​

Areal estate agent earns $32,000 a year plus $1,000 for each apartment he sells. write an equation that shows the relationship between the number of apartments abe sells,n, and the total amount he earns in a year,e. what is the total amount abe would earn from selling 10 apartments in one year

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?