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Geometry Warm Ups. Week of February 4-8. DFA Review. For the next two weeks, our Warm Ups will be focused on preparing you for the DFA. Please make sure you understand these concepts. There will be a quiz on Friday. Monday #1. What is the measure of ?.

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geometry warm ups

Geometry Warm Ups

Week of February 4-8

dfa review
DFA Review
  • For the next two weeks, our Warm Ups will be focused on preparing you for the DFA.
  • Please make sure you understand these concepts.
  • There will be a quiz on Friday.
monday 1
Monday #1
  • What is the measure of ?

With an isosceles triangle, the base angles are congruent. The sum of the angles inside is 180, so this should be easy to figure out…the answer is 52.

monday 2
Monday #2
  • What is the measure of ?

A linear pair adds to 180 so the missing angle is 70 degrees.

monday 3
Monday #3
  • What is the measure of ?

Angle BDA is the same as A because the triangle is isosceles. Angle ABD will be 120 and that makes angle CBD 60 degrees. Angle C would also be 60 because that triangle is also isosceles (look at it upside down), so the angle the question asks for is also 60 degrees.

tuesday 1
Tuesday #1
  • What is the longest side of ΔABC?

The missing angle is 63 degrees. The longest side of a triangle is opposite the largest angle so, the longest side here is segment AB.

tuesday 2
Tuesday #2
  • What is the longest side of ΔABC?

The missing angle near B is 50 degrees, so angle A is now 63. Just like the last one, the longest side is opposite the largest angle inside the triangle so the answer is segment AB.

tuesday 3
Tuesday #3
  • What is the longest side of ΔWXZ?

Find all of the missing angles first, then you can figure out the longest side. You should get segment WX.

wednesday thursday 1
Wednesday/Thursday #1
  • What is the measure of ?
wednesday thursday 2
Wednesday/Thursday #2
  • Find the measures of the exterior angles of ΔABC.
wednesday thursday 3
Wednesday/Thursday #3
  • Find all the exterior angles of this triangle.
wednesday thursday 4
Wednesday/Thursday #4
  • What is the measure of ?
wednesday thursday 5
Wednesday/Thursday #5
  • What is the measure of ?
friday quiz 1
Friday – Quiz #1
  • What is the measure of ?
friday quiz 2
Friday – Quiz #2
  • What is the longest side of ΔABC?
friday quiz 3
Friday – Quiz #3
  • Find all the exterior angles of this triangle.
friday quiz 4
Friday – Quiz #4
  • What is the measure of ?