icameforhelp
27.09.2019 •
Mathematics
The area of a disk of radius rcm is a = πr^2. a machinist is required to manufacture a circular metal disk having area 400π cm^2 within an error tolerance of +-5 cm^2. how close to 20 cm must the machinist control the radius of the disk to achieve this?
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Ответ:
Angles Reasons
Given: ZABC ZDEF and
ZGHI Z ZDEF
Prove, mZABC = m2GHI
Statements
✓ 1. ZABC ZDEF✓ 2. ZGHI ZDEF
Reasons
1. given2. given
hope this helps if not let me know because I might have another idea
Step-by-step explanation:
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