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McGraw Hill Glencoe Geometry, 2012

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McGraw Hill Glencoe Geometry, 2012 View details

2. Surface Areas of Prisms and Cylinders

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Exercise 53 Page 853

Use the Segment Addition Postulate.

2.5

Practice makes perfect

Consider the given diagram.

We know that the radius of a circle is half its diameter. With this information, and knowing that the diameters of ⊙ S and ⊙ T are 14 and 9 inches, respectively, we can find TS and TY. ccc TS=14/2 & & TY=9/2 ⇕ & and & ⇕ TS= 7in & & TY= 4.5in With this information and using the Segment Addition Postulate, we can find SY.

TY + SY = TS

TS= 7, TY= 4.5

4.5 + SY = 7

LHS-4.5=RHS-4.5

SY=2.5

Subchapter links

Check Your Understanding p.849

Practice and Problem Solving p.850-852

H.O.T. Problems p.852

Standardized Test Practice p.853

Spiral Review p.853

Skills Review p.853