8-6 Geo Law of Sines and Cosines

Presentation

•

Mathematics

•

9th - 12th Grade

•

Practice Problem

•

Easy

•

CCSS

HSG.SRT.D.10, HSG.SRT.D.11

Standards-aligned

Eduardo Olivas

Used 13+ times

FREE Resource

13 Slides • 5 Questions

slidesmania.com

8-6 The Law of Sines

and Law of Cosines

slidesmania.com

Learning Target and Success Criteria

Learning Target

●I can use the law of sines to
ﬁnd missing sides

●I can use the law of cosines
to ﬁnd missing sides

Success Criteria

●I will use law of sines if I
know 2 angles and a
corresponding side.

●I will use law of cosines
when I know 2 sides and
the included angle

slidesmania.com

Law of Sines

slidesmania.com

Find x. Round to the nearest
tenth

Example 1

slidesmania.com

Find x. Round to the nearest
tenth

Example 2

Multiple Choice

Find m<B

Poll

How do you feel about The Law of Sines?

I understand it

I am getting it, but need more practice

I have no idea what is going on

slidesmania.com

Find x. Round to the nearest
tenth

Example 3

Draw

Spot the differences from the left picture to the right picture

slidesmania.com

Find x. Round to the nearest
tenth

Example 4

slidesmania.com

Learning Target and Success Criteria

Learning Target

●I can use the law of sines to
ﬁnd missing sides

●I can use the law of cosines
to ﬁnd missing sides

Success Criteria

●I will use law of sines if I
know 2 angles and a
corresponding side.

●I will use law of cosines
when I know 2 sides and
the included angle

slidesmania.com

Law of Cosines

slidesmania.com

Find x. Round to the nearest
tenth

Example 5

slidesmania.com

Find x. Round to the nearest
tenth

Example 6

Multiple Choice

Find BC

slidesmania.com

Find x. Round to the nearest
tenth

Example 7

Poll

How do you feel about The Law of Cosines?

I understand it

I am getting it, but need more practice

I have no idea what is going on

slidesmania.com

Learning Target and Success Criteria

Learning Target

●I can use the law of sines to
ﬁnd missing sides

●I can use the law of cosines
to ﬁnd missing sides

Success Criteria

●I will use law of sines if I
know 2 angles and a
corresponding side.

●I will use law of cosines
when I know 2 sides and
the included angle

slidesmania.com

8-6 The Law of Sines

and Law of Cosines

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