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 Abby's Astounding Geometry Blog!- This blog is for Miss Jovanovich's algebra and geometry classes to share ideas, ask questions, and reflect on what skills and topics we are studying. If we are lucky, we might even get a chance to connect with other students studying the same stuff.
 by teacher: Tina Jovanovich
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My Favorite Area Formula! 05/22/12
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We finally made it!  Finals are around the corner, and so is summer!  I can’t wait to ditch my backpack and head to the beach.  But first, I have to survive finals.  To review for Geometry, I’ve posted one of my favorite homework problems from a past unit below.

KL⎮⎮JM in isosceles trapezoid JKLM.  Find the values of x and y if m⦟J=(23x-8)º, m⦟K=(12y-13)º, and m⦟M=(17x+10)º.

m⦟J=m⦟M

23x-8=17x+10

6x-8=10

6x=18

x=3

m⦟J+m⦟K=180

23x-8+12y-13=180

61+12y-13=180

12y=132

y=11

I chose this problem because I was from one of the first units of the semester, and I didn’t remember that unit at all.  I thought that it would be nice to review since I had forgotten about it.

Article posted June 14, 2012 at 11:40 AM • comment • Reads 229 • see all articles