given an isosceles right ∆XYZ with right angle at Y and XY=10
6.) find YZ. _____
7.) find XZ. ______
8.) what is the perimeter of ∆XYZ?_____

C. Given a right ∆SJD with right angle at D.
9. find DJ.___
10. find DS.___
11. perimeter of ∆SJD.

D. in accompanying figure, D is a right angle and BD AC. find the missing part.
12.) if AB=9 and BC=4, find BD.
13.) if AB=12 and BC=3, find DC.
14.) if AC =16 and AB=4, find AD.
15.) if AB=20 and BD=10, find BC


please pasagot naman po kung sino yung may alam​