All Things Triangles

Find the measure of the indicated angle.

• 26º

• 36º

• 85º

• 144º

Tags

CCSS.8.G.A.5

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse

• scalene

• isosceles

• right

Tags

CCSS.8.G.B.8

If ∆LMK ≅ ∆LMT, then ∠K ≅ ____

• ∠L

• ∠T

• ∠M

Tags

CCSS.HSG.CO.B.7

If ∆PIG ≅ ∆COW, WO≅?

• GI

• PI

• PG

Tags

CCSS.HSG.CO.B.7

State if the two triangles are congruent. If so, state how you know.

• Congruent by SSS

• Congruent by SAS

• Not Congruent

Tags

CCSS.HSG.SRT.B.5

Can you prove the triangles similar by SAS Theorem?

• Yes--the corresponding sides are proportional and the included angle is a vertical angle so it is congruent.

• No--there is not enough information provided for SAS

Tags

CCSS.HSG.SRT.B.5

Using (SSS, AA, SAS) can you determine must be similar? If so, explain why.

• Yes, by SSS

• Yes, by AA

• Yes, by SAS

• There is not enough information to prove similarity

Tags

CCSS.HSG.SRT.B.5

A triangle has vertices with coordinates (2,0), (3, -1) and (-2,-5). If the triangle is dilated by a scale factor of 3 with the origin as the center of dilation, what are the coordinates of the vertices of the image?

• (5,3), (6,2), (1,-2)

• (6,0), (9,-3), (-6,-15)

• (2/3,0), (1,-1/3), (-2/3,-5/3)

• (-1,-3), (0,-4), (-5,-8)

Tags

CCSS.8.G.A.3

QR is a midsegment of triangle WXY. What is the length of segment WY?

• 3

• 6

• 9

• 12

Tags

CCSS.HSG.SRT.B.4

Use the picture to answer the question.

• 30

• 60

• 15

• 120

Tags

CCSS.8.G.A.5