In the given triangle ABC, draw the straight lines through the vertices A, B and C parallel to BC, CA and AB respectively. Prove that the sum of internal angles of the triangle ABC is 180° for each of the parallel lines drawn as above

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

When are triangles considered similar? a. corresponding angles are equal andcorresponding sides are proportionalb. corresponding angles are proportional andcorresponding sides are equalc. corresponding angles are equal orcorresponding sides are proportionald. corresponding angles are proportional orcorresponding sides are equal select the best answer from the choices providedmark this and retumsave and exitnext

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.