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English 15 Public

Triangle Inequality and Ordering Sides and Angles of Triangles

Study Slideshow

Is it possible to draw a triangle with these given measurements? 8.6, 13.2, 4.6

Is it possible to draw a triangle with these given measurements? 10,29,9

Is it possible to draw a triangle with these given measurements?1/2, 3/4, 1 1/2

Is it possible to draw a triangle with these given measurements? 47, 70, 28

Yes

Name the ANGLES of Triangle ABC in order from GREATEST TO SMALLEST

Angle B, Angle C, Angle A

Order the SIDES of Triangle DEF in order from GREATEST to SMALLEST.

Side EF, Side ED, Side DF

Robert goes to Lowe's to get a fence post to use to finish his triangular flower bed. He already has two fence posts at home that are 10 feet and 13 feet. Which one of the following measurements should he buy? 3 feet, 25 feet, 21 feet

21 feet

Which set of numbers could be the lengths of the sides of a triangle? 1,2,3; 208,9,219; 5.2,11,4.9; 13,10,16

13,10,16

True or False? Angle 6 is greater than Angle 1

True

True or False? Angle 8 is less than Angle 4

False

True or False? Angle 3 is less than Angle 5

True

True or False? Angle 5 is less than Angle 6

False

What is the contrapositive of the following statement? If it is Wednesday, then we will have a quiz.

If we do not have a quiz, then it is not Wednesday.

If two sides of a triangle measure 10 cm and 35 cm, what is the range of possibilities for the third side?

Greater than 25 cm but less than 45 cm.

If two sides of a triangle measure 5 1/2 inches and 8 3/4 inches, what is the range of possibilities for the third side?

Greater than 3 1/4 but less than 14 1/4