Question

In the diagram, BC ≅ EF and ∠A and ∠D are right angles.

For the triangles to be congruent by HL, what must be the value of x?
a)8
b)9
c)17
d)34

Answer 1

The answer is 8

Explanation:

Answer 2

a)8

Explanation:

4x+2=34,x=8

ED=AB=34

EF=BC(given)

angle A=angle D(given)

therefore when x=8, Tri BCA congruent Tri EFD (reason:HL)