Answer:
Step-by-step explanation:
"y" is geometric mean
y² = 13 × 2
<em>y </em>= √26 <em>≈</em><em> 5.1</em>
x² = 26 + 4 = 30
<em>x</em> = √30 <em>≈</em><em> 5.5</em>
z² = 15² - 30 = 195
<em>z </em>= √195 <em>≈</em><em> 14.0</em>
he equation a = a equals StartFraction 180 left-parenthesis n minus 2 right-parenthesis Over n EndFraction. represents the angle
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