Step-by-step explanation:
Split the figure into 2 parts, triangle and rectangle (I believe you know what I'm talking about)
area of triangle = 1/2 x 20 x (16-7) = 90cm^2
area of rectangle = 20 x 7 = 140cm^2
total area = 90 + 140 = 230cm^2
Topic: Mensuration
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As the lines are parallel, the distance <em>between</em> them never changes. Therefore whatever point you pick on either lane, the other line will always be the same distance away from it. A picture below should demonstrate it.
Your answer should be 12.57
Answer:
a=65, m=−1
a=65, m=1
Step-by-step explanation: