Ответ:
S(∆AB1C)=20см²
Объяснение:
S(∆AB1C)=S(∆ABC)*cos∠BHC=
=40*cos60°=40*½=20см²
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
Ответ:
S(∆AB1C)=20см²
Объяснение:
S(∆AB1C)=S(∆ABC)*cos∠BHC=
=40*cos60°=40*½=20см²