gabby640
11.12.2021 •
Mathematics
Anjeli writes the equation (a+b)2=c2+4(12a b ) to begin a proof of the Pythagorean theorem. Use the drop-down menus to explain why this is a true equation.
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Ответ:
Arc AB = 8π
Step-by-step explanation:
Length of arc = central angle/360 × 2πr
Where,
Central angle = measure of arc AB = 144° (central angle theorem)
r = radius = 10
Length of arc AB = 144/360 × 2 × π × 10
= 8π