I'm putting here a picture of the working out
−
8
2
+
9
4
1
1 fgdfgdfgdfgdfg
Answer:
BA = 12 cm
Step-by-step explanation:
BC = 5 because it is an isosceles triangle.
Then we use the Pythagorean Theorem on triangle ABD that = BA
That means that
The answer is 12 cm
Its -8