(Solved): g) A semicircle with a right triangle in it is shown. What is the radius of the semi-circle? (Hint: ...

g) A semicircle with a right triangle in it is shown. What is the radius of the semi-circle? (Hint: Use pythagorean theorem $a^2+b^2=c^2$ to find the longest side of the triangle and then divide it by 2 to find the ) a. $28\mathrm{cm}$ b. $20\mathrm{cm}$ c. $14\mathrm{cm}$ d. $10\mathrm{cm}$ Answer: ( ) 9) A rectangle is divided into 5 equal sections as pictured below. Which of the following represents the area of one section? a $8x$ b $8x^2$ c $15x$ d $15x^2$ Answer: ( )