Find the area of a circle with the diameter of 6cm explain pls than u

28.26 cm^2

Step-by-step explanation:

The formula to calculate the area of a circle is a=πr²  

where π (pi) is a constant with a value of 3.14 or 22/7 and r=radius. Take note that the formula use radius, which equals to 1/2 of diameter. The radius of a circle with 6cm diameter will be:

r= 1/2 * d

r= 1/2 * 6cm

r= 3cm

Then the calculation for the area is:

a=πr²

a=3.14 * (3cm)²

a= 3.14 * 9cm²

a= 28.26 cm²

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

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step-by-step explanation: