Module 9: Use tools to construct figures

Module 9

Lesson 4

I can use tools to draw or construct figures that meet given criteria, and I can analyze the resulting figures.

-Mr. Wellner

" Get out a Pencil and Graph Paper." 

https://www.menti.com/alnc7vfe9i41

If a Triangle has inside angle measures that add up to 180°, since the 2 sides are the same length, the other 2 angles will be the same.

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This is a right angle constructed with 2 lines of the same length.

​90°

​?°

​?°

Multiple Choice

In a triangle, how many total degrees are there?

• 100%

• 180 degrees

• it varies

• 360 degrees

Multiple Choice

If two of the angles of a triangle are 30 and 70 degrees, the third angle measures...

• 80

• 100

• 60

• 90

Lucas is using strips of wood to construct a triangle. The first two strips are 4 feet long and 7 feet long. When Lucas nails them together, the two pieces of wood form a 50° angle.

​Use a protractor and a pencil. Fold paper in half.

​Name:

Date:

Period:

Dropdown

Lucas is using strips of wood to construct a triangle. The first two strips are 4 feet long and 7 feet long. When Lucas nails them together, the two pieces of wood form a 50° angle.

What scale should we use here?

​

Select answer

​

Select answer

: 1 foot

Finish drawing your triangle.

Dropdown

Lucas is using strips of wood to construct a triangle. The first two strips are 4 feet long and 7 feet long. When Lucas nails them together, the two pieces of wood form a 50° angle.

I can make ​

Select answer

triangle from the given side lengths and angle measure.

Multiple Choice

Find the measure of each angle indicated. 

• 139°

• 66°

• 138°

• 116°

Multiple Choice

Find the measure of the missing angle.

• 90^o

• 10⁰

• 130^o

• 50^o