Select one answer for part a and one for part b

The rows and columns of lattice points in a three-by-three square array are evenly spaced one unit apart. how many distinct triangles with at least one side of length 2 units can be drawn using three lattice points for the vertices?

In triangle opq right angled at p op=7cm, oq-pq=1 determine the values of sinq and cosq

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2