## anonymous one year ago Suppose an isosceles triangle ABC has A = 45° and b = c = 3. What is the length of a2? A. 2.30 B. 5.27 C. 30.73 D. 12.73

1. anonymous

length of a?

2. anonymous

$(2\ 3 \cos (22.5 {}^{\circ}))^2=30.7279$

3. anonymous

my sleek-feathered one@robtobey

4. anonymous

a^2 is commonly written, a2.

5. imqwerty

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