Geometric Figures 8 th grade Mathematics Ms. Warnetsky Click here to go to next slide!
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Transcript of Geometric Figures 8 th grade Mathematics Ms. Warnetsky Click here to go to next slide!
Geometric Figures
Circles
Area FormulaA=r2
Circumference C=2r360Radius is half the length of a circleDiameter is the full length of a circle
Click to return to home screenThat is correct!!! Congratulations!A. 16 or apprx. 50.24 Click here to go back to the question
TrianglesArea FormulaA=.5bhPerimeter FormulaP=a+b+c180Pythagorean TheoremUse only on right triangles to find the length of one of the legs, or hypotenuse.a2+b2=c2Click to return to home screenGeometric Figures
Circles
Triangles
Squares
Octagon
Hexagon
PentagonQuestion #1Question #2Click here to return to the first slideClick on the figure to learn about each!
SquaresAll four sides are equal in length.All angles are 90Area FormulaA=a2Perimeter FormulaP=4aClick here to return to the home screen
Octagons8 sided polygonInterior angles= 135Exterior angles= 45Area Formula2(1+2)s2Click here to return to the home screenUsing the Pythagorean Theorem, what is the length of the hypotenuse?8 in6 inC=?10010360Click here to return to the home pageClick here to go to then end of the lesson
Hexagons6 sided polygonInterior angles= 120Exterior angles= 60Area Formula(1.53) s2
Click here to return to the home screen
Pentagons5 sided polygonInterior angles= 108Exterior angles= 78Area Formula*Apprx* 1.7204774 s2Click here to return to the home screenWhat is the circumference of this circle?
16 or apprx. 50.2426 or apprx. 81.6414 or apprx. 43.96Click here to return to the home pageClick here to go to the end of the lessonTHE END!Click here to go to the first slideSo your peers can learn now, too!Hope this activity helped you in learning qualities of Geometric Figures!
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