The triangle is a right triangle.

'If AB=7cm,AC=10cm,then what is the measure of angle A?'

'If angle A=38 degrees,AB=10cm,what is the length of BC?'

'If angle A=20 degrees,AC=18cm

i)What is the length of the adjecant side?

ii)What is the length of the opposite side?'

Any help on these would be fantastic