2 years ago

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

Mathematics

1 answer:

makkiz [27]2 years ago

3 0

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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