Let angle A measures x° and angle B measures y°.
.
Then according to the given data, we have,
x + y = 90............. (1)
and, x = 29y............(2)
.
Now from (1) and (2), we get that,
29y + y = 90
i.e. 30y = 90
i.e. y = 90/30
i.e. y = 3
So from (2), x = (29*3) = 87
.
So angle A measures 87°
Angle B measures 3°
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