Ratio iso triangle

The ratio of the sides of an isosceles triangle is 7:6:7. Find the base angle to the nearest answer correct to 3 significant figures.

Correct answer:

A =  64.6231 °

Step-by-step explanation:

a=6/2=3 b=7 A=π180°arccos(ba)=π180°arccos(73)=64.6231=64°3723"

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Tips for related online calculators
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