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02 SB Types of Triangles.notebook 1 February 21, 2020 Jul 319:37 PM WED 2/5 1) We're going straight to notes ALL electronics should be put away in your BAG! > Unit 2A Quiz 1 on FRIDAY 1) and are complementary angles. If m = 5x 9 and m = 10x 6. What are the measures of the two angles? 2) Solve for x.
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Dec 21, 2021

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Page 1: WED 2/5 ALL electronics should be put away in your BAG ...

02 ­ SB ­ Types of Triangles.notebook

1

February 21, 2020

Jul 31­9:37 PM

WED 2/5

1) We're going straight to notes

ALL electronics should be put away in your BAG!

> Unit 2A Quiz 1 on FRIDAY

1)      and       are complementary angles. If 

m      = 5x ­ 9 and m      = 10x ­ 6. What are the measures of the two angles?

2) Solve for x. 

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February 21, 2020

3) Solve for x. 

4) The figure shows a triangle with one of its angle bisectors. 

Jul 31­6:18 PM

What am I learning today?Learning Objective 2A.2

How to explain and use the characteristics of equilateral and isosceles triangles. 

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February 21, 2020

Jul 31­6:18 PM

What will I do to show that I have learned it?I can...Use congruent sides and angles in equilateral triangles and the base angle theorem in isosceles triangles. 

Oct 1­4:13 PM

Equilateral Triangle ­ A triangle with 3 congruent SIDES and ANGLES

EACH ANGLE MEASURE IS:

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February 21, 2020

Jan 28­5:13 PM

1. If AB = 2x + 3 and AC = 3x ­ 7, solve for x?

Jan 28­5:14 PM

2. If               is an equilateral triangle,            ZY = ­x + 7 and YX = 3x ­ 9, what is the length of XZ?

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February 21, 2020

Jan 28­5:16 PM

3. Solve for x and y. 

Jan 28­5:17 PM

Isosceles Triangle ­ A triangle with 2 congruent SIDES and ANGLESLegs ­ The congruent SIDES of an isosceles triangle. 

Base ­ The non­congruent side of an isosceles triangle

Base Angles ­ The congruent angles opposite of the LEGS

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February 21, 2020

Jan 28­5:20 PM

Isosceles Triangle TheoremIf two sides of a triangle are congruent, then the angles opposite of the sides 

are congruent.

Jan 28­5:20 PM

Converse Isosceles Triangle TheoremIf two angles of a triangle are congruent, then the sides opposite of the sides are 

congruent.

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February 21, 2020

Jan 28­5:25 PM

1.              is an isosceles with legs AB and BC. If the m                  , what is the m       ?

Jan 28­5:27 PM

2. Solve for m

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February 21, 2020

Jan 28­5:28 PM

3. Solve for x. 

4) Solve for x

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February 21, 2020

5) Solve for x.

6) Solve for x.

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February 21, 2020

Jul 31­9:12 PM

Classwork:

Complete the classwork by using isosceles and equilateral characteristics. 

HW: Finish the classwork

Actively working