What is the best estimate of the lateral area of a cube with edges that are 2.1 inches long?
1 answer:
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Answer:
x = 125
Step-by-step explanation:
Tangents from an external point to a circle are congruent , that is
CA = CB
Then Δ ABC is isosceles with base angles being congruent
∠ BAC = ∠ ABC = =
= 55°
∠ ABC and x are adjacent angles on a straight line and sum to 180° , so
x = 180° - 55° = 125°
Then x = 125
Answer:
145
Step-by-step explanation:
steps in attached illustration
