Write the ratio of corresponding sides for the similar triangles and reduce the ratio to lowest terms.
9
12
a.
3 9
3
4
12
4
b.
قنا
4
9
12
c.
لیا
4
1
12
9
4
d. 4 124
3 9 3
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1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given