Answer:
Base area = 25.2 in^2
Step-by-step explanation:
Base area = 63/2.5 = 25.2 in^2
There was a 20% decrease
48/60 × 100 = 80%
100 - 80 = 20%
Answer:
Step-by-step explanation:
It is useful to remember the ratios between the side lengths of these special triangles.
30°-60°-90° ⇒ 1 : √3 : 2
45°-45°-90° ⇒ 1 : 1 : √2
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h is the shortest side, and the given length is the intermediate side. This means ...
h/1 = 2/√3
h = 2/√3 = (2/3)√3 . . . . . . simplify, rationalize the denominator
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b is the longest side, and the given length is the short side. This means ...
b/√2 = 3/1
b = 3√2 . . . . . multiply by √2
<span>The answer is four hundred eighty-six and two thousandths.</span>
