**Solution:**

(a) (given)

BE is a common side for both triangles and

BD=EC (given)

Therefore, (SAS)

(proved)

(b)

Since we have

Thus,

Therefore, is an isosceles triangle.

Thus,

(proved)

**Solution:**

(a) (given)

BE is a common side for both triangles and

BD=EC (given)

Therefore, (SAS)

(proved)

(b)

Since we have

Thus,

Therefore, is an isosceles triangle.

Thus,

(proved)

This entry was posted in kiasuparents, maths tuition and tagged Angle, Congruence (geometry), kiasuparents, maths tuition, Triangle. Bookmark the permalink.

%d bloggers like this: