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### Grade 8 - Mathematics3.53 Formulas of Geometric Figures - Review

 Directions: Choose the correct answers.
 Q 1: Area of square:4aa22(l+b) Q 2: Circumference of a semi-circle:pi*r + 2*rpi*r2pi*r Q 3: Area of a rectangle:4alba2 Q 4: Area of a semi-circle:2*pi*rpi*r11/2*(pi*r2) Q 5: Diamater of a circle:2*pi*r2(l+b)2r Q 6: Area of triangle:1/2 bhlb4a Q 7: Area of a circle:2*pi*r2pi*r2pi*r Q 8: Circumference of a circle:2*pi*d2*pi*rpi*r2 Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!

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