пусть CD = хСЕ = 4x/7DE = 3x/7 (4x/7)*(3x/7) = 36*3 x = 21 см (CD)R = (3 + 36)/2 = 19,5 см
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
пусть CD = х
СЕ = 4x/7
DE = 3x/7
(4x/7)*(3x/7) = 36*3
x = 21 см (CD)
R = (3 + 36)/2 = 19,5 см