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## Solution for problem 12 Chapter 4-3

# Engineering The geodesic domeshown is a 14-story building thatmodels Earth. Use the

Holt California Geometry | 1st Edition

Problem 12

Engineering The geodesic domeshown is a 14-story building thatmodels Earth. Use the giveninformation to prove that thetriangles that make up the sphereare congruent.Given:SU ST SR , TU TR ,UST RST,and U R Prove: RTS UTS

**Accepted Solution**

Step-by-Step Solution:

**Step 1 of 3**

L1 - 3 2 1 2 3 2 − 2 2x(1 − x ) 3+ 3x (1 − x ) 3 ex. a) Simplify: 2 2 (1 − x ) 3 2 1/3 2 3 2 −2/3 2x(1 − x ) + 3x (1 − x ) b) Solve for x: 2 2/3 =0 (1 − x )

###### Chapter 4-3, Problem 12 is Solved

**Step 2 of 3**

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Engineering The geodesic domeshown is a 14-story building thatmodels Earth. Use the