1. Which equation could be used to find the which equation could be used to find the missing side length of the right triangle shown?
10 in
12 in
A. 122 - 102 = c2
B. 122 + b2 = 102
C. 12(2) + 10(2) = c(2)
D. 122 + 102 = -2

1234567891011 match the reasons with the statements in the proof. given: j | | k m 1 = m 3 prove: l | | m 1. j||k, m∠3 = m∠1 if lines are ||, then corresponding angles are =. 2. m∠1 = m∠2 if alternate interior angles are =, then lines are ||. 3. m∠2 = m∠3 substitution 4. l||m given

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Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²