Since the three angles of a triangle add to give 180°
The the size of the largest angle 4 = 180° ×
= 180° ×
∴ the size of the largest angle = 80°
The the size of the largest angle 4 = 180° ×
= 180° ×
∴ the size of the largest angle = 80°
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1 answer:
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Answer:
b = 16.5
Step-by-step explanation:
Given
=
( cross- multiply )
9b = 148.5 ( divide both sides by 9 )
b = 16.5