Question

Three roads AB, BC and CA form a right-angled triangle. AC is 7 Km and BC is 4 Km.
Sam rides his bicycle from A to B to C.
What extra distance does he travel compared with going directly from A to C?
(Show working and use estimation to find the square root.)

Answer 1

Answer:

• Draw a right triangle ABC in which AC=7 km,BC=4km By Pythagoras theorem. H² =P² +B² , H=7 km,P=?,B=4 km A.T.Q 7²=P²+4² ,49=P²+16,49-16=P²,P=✓33