1) In triangle ABC, if AB=BC and ∠B = 70°, ∠A will be:
2) A triangle in which two sides are equal is called:
3) In ∆ PQR, ∠R = ∠P and QR = 4 cm and PR = 5 cm. Then the length of PQ is
4) If E and F are the midpoints of equal sides AB and AC of a triangle ABC. Then: