Centers of triangles

Presentation

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Mathematics

•

9th - 12th Grade

•

Medium

•

CCSS

HSG.CO.C.10, 6.NS.B.3, HSG.C.A.3

Standards-aligned

Angela Ledet

Used 3+ times

FREE Resource

6 Slides • 14 Questions

Centers 0f Triangles:
Medians and Altitude

Centers of Triangles

What is an median?

A median is a segment joining a vertex to the midpoint of the opposite side.

Fill in the Blanks

What is an median?

A median is a segment joining a ______ to the __________ of the opposite side.

Open Ended

List the medians.

Type response here

Center of Triangles

What is an centriod?

The three medians of a triangle intersect at a point called the centriod.

Multiple Choice

What point is the centriod?

Centers of Triangles

Special properties of medians:

AP= 2 PE
PE= ½ AP
AP= ⅔ AE
PE= ⅓ AE

Multiple Choice

What is the measure of KM?

Multiple Choice

What is the measure of NL?

Multiple Choice

What is the measure of RX?

Multiple Choice

What is the measure of KL?

Multiple Choice

What is the measure of TX?

Multiple Choice

What is the measure of AF?

Multiple Choice

What is the measure of BG?

Multiple Choice

What is the measure of AE?

Centers of Triangles

What is an altitude?

An altitude is a segment joining a vertex to the opposite side so it is perpendicular to that side.
Altitudes can be inside, outside or a side of a triangle.

Fill in the Blanks

What is an altitude?

An altitude is a segment joining a ______ to the opposite side so it is ___________ to that side.

Poll

What is this a picture of a median or altitude?

Altitude

Median

Center of Triangles

What is an orthorcenter?

The three altitudes of a triangle intersect at a point called the orthocenter.

Multiple Choice

If P is the orthocenter of Δ, AB=13, BF=9 and FC=5.6, Find the perimeter of ΔABC.

Round to the nearest tenth.

38.4

38.5

38.6

Centers 0f Triangles:
Medians and Altitude

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