A rectangle is inscribed in a circle with a diameter of 20 cm as shown below. Find the area of the rectangle if its perimeter is 56 cm. (Hints: One-half the perimeter of a rectangle is the sum of two adjacent sides. You also might need a special formula for right triangles to solve this problem.)

34.5 cm

step-by-step explanation:

generally for a circular segment of angle, θ° and radius r

arc length

= (θ/360) x circumference

= (θ/360) x 2πr

in our case, θ = 60°, π=3.142 and r = 33 cm

substitute into above formula

arc length

= (60/360) x 2(3.142)( 33) = 34.5 cm

there are 25 people coming to the party

step-by-step explanation:

the text says that there will be 22 children at this party, 1 teacher, and 2 parents. so if you add them all together (22+1+2) it will equal 25. (=25)

ƒ = 0.03b

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step-by-step explanation: