B 4cm
2. a. Р In the given figure, PSIQR, PQ = 6cm, PS = 4.8cm and PR = 8cm, Prove that APQR is a right angled triangle. 6cm 8cm 4.8cm ii. Find the values of cos and sin a. Q S R
Louis wants to carpet the rectangular floor of his basement the basement has an area of 864 square feet the width of the basement is 2/3 its length what is the length of lewis's basement