9514 1404 393
Answer:
49.1°, 40.9°
Step-by-step explanation:
Let x represent the smaller angle. Then the larger is x+8.2 and the total of the two angles is ...
x + (x +8.2) = 90
2x +8.2 = 90 . . . . . collect terms
x + 4.1 = 45 . . . . . . .divide by 2
x = 40.9
x +8.2 = 49.1
The two angles are 49.1° and 40.9°.
W={a, b, c, d}
n(W) =4
No of subsets =2^n=2^4=16
The subsets are
{a, b};
{a, c};
{a, d};
{b, c};
{b, d};
{c, d};
{a};
{b};
{c};
{d};
{a, b, c};
{a, b, d};
{a, c, d};
{b, c, d},
{a, b, c, d};
{0}
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