The board is parallelogram in shape such that measures of two adjacent angles of a parallelogram are in the ratio 5 : 4 and adjacent sides are 30 cm and 60 cm.
Now answer the following questions:
Q1. What is the perimeter of the board made by Ramesh?
Q2. Find the measure of each angle of the board. (also write the property used)
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Answer:
Since the opposite angles of the parallelogram are equal and the total sum of all the four angles of the parallelogram is 360∘, the sum of the adjacent angles of the parallelogram must be equal to 180∘.
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