Use the inner product (p, q)-+122 to find (p, ), llpand d(p, a) for the polynomials in p2 p(x)-5-x+2x2, q(x) = x-x2 (b) ilpll (c) l (d) dp, q)

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?