√2 is irrational
a rational number Q can be expressed in the form where a and b are integers.
- 18 = ⇒ rational
⇒ rational
3.14 = ⇒ rational
√2 = 1.414213562...... ⇒ irrational
In ΔABC, the measure of ∠C=90°, the measure of ∠A=78°, and BC = 6.6 feet. Find the length of CA to the nearest tenth of a foot.
1 answer:
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