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GeoGebra

Activity 2

Author:Israel Ndifor, Tim Brzezinski, Alfonso Garcia, Mdm Lim

Hello, complete the activity in the applet below.

YOUR OBJECTIVE:

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INSTRUCTIONS:

Step 1: Before you begin, make sure the box labeled "Show Interior Angles" is the only one checked. Step 2: Drag the slider from left to right.

Answer the following questions.

(1.) What did you discover?

(2.) What is the best description of the angle that is created by the sum of these angles?

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

(3.) A half circle is _____.

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

(4.) What is the sum of the interior angles in any triangle?

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

(5.) Find the value of angle a in the triangle below.

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

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