In Fig., ABC is a triangle with ∠B=90°, BC=3 cm and AB =4 cm. D is point on AC such AD=1 cm and E is the midpoint of AB. Join D and E and extend DE to meet CB at F. Find BF.

In Fig., $A B C$ is a triangle with $∠ B = 90^{°}$ , BC=3 cm and AB =4 cm. D is point on AC such AD=1 cm and E is the midpoint of AB. Join D and E and extend DE to meet CB at F. Find BF.

Matching exercise

Match the items on the right to the items on the left.

Step 1

Step 2

Step 3

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