A.-2 opposite
To positive 2
Because it doesn’t equal exactly 1.7 it equals about 1.73205
F(3), replace r with 3
f(3)=3.14(3)^2=3.14(9)=28.26
f(3)=28.26
B. 1 angle A congruent angle B
2. Corresponding parts of similar triangle
If you are looking for the fraction of total income spent, the answer would be 7/8.
3/8, 2/5, 1/10
Make them similar fractions, use LCD (in this case, 40)
They become
15/40, 16/40, 4/40
Add
15/40 + 16/40 + 4/40
= 35/40, or, simplified, 7/8
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