Answer:
BC ≈ 3.3
Step-by-step explanation:
Using the tangent ratio in the right triangle.
tan A = , that is
tan20° = =
( multiply both sides by 9 )
9 × tan20° = BC , then
BC ≈ 3.3 ( to the nearest tenth )
Determine if m^2-12m+36 is a perfect square trinomial and factor
1 answer:
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