The points (30, 50), (-10, 30) and (-20, s) all lie on the same line. What is the value of s? Show your work. (3 marks/PS)

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step-by-step explanation:

the answer to your question (9+10) is 19

triangle eg 7.5 × cos "a" or 7.5 × sin "b" or 6 tan"a"

  d. △abc is congruent to △fde

step-by-step explanation:

triangle abc is reflected across the x-axis. the corresponding vertices are

the names of the triangles in the congruence statement must have corresponding vertices in the same order. that is, △abc is congruent to △fde.