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18-11-2020
Mathematics

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6. Find the value of r in the following triangle.

6 Find the value of r in the following triangle class=

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19-11-2020

Answer:

r = 19.2deg

Step-by-step explanation:

6r + 5 = 30 + 90 (exterior angles of a triangle)

6r = 115

r = 19.2deg (1dp)

Topic: Angles

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