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ANNA10012
@ANNA10012
July 2022
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СРОЧНО!!!!ПОЖАЛУЙСТА!!!!
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1)х=√(3²+4²)=√(9+16)=√25=5
2) х=√(КМ²-KN²)=√(13²-4²)=√(169-16)=√153
3)x=√(KR²+KL²)=√(5+5)=√10
4)x=√(NM²-MS²); MS=NM*sin M=2√3*1/2=√3; x=√((2√3)²-(√3)²)=√(4*3-3)=3
5) x=√(BC²-DC²); DC=1/2AC=8; x=√(17²-8²)=√(289-64)=√225=15
6)x=√(RM²-KN²); KN=1/2RM=3; x=√(6²-3²)=√(36-9)=√27=3√3
7)x=√((x/2)²+8²); x²-x²/4=64; 3x²/4=64; x²=256/3; x=16√3/3
8)x=√(AC²-AD²)=√(26²-10²)=√(676-100)=√576=24
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Answers & Comments
2) х=√(КМ²-KN²)=√(13²-4²)=√(169-16)=√153
3)x=√(KR²+KL²)=√(5+5)=√10
4)x=√(NM²-MS²); MS=NM*sin M=2√3*1/2=√3; x=√((2√3)²-(√3)²)=√(4*3-3)=3
5) x=√(BC²-DC²); DC=1/2AC=8; x=√(17²-8²)=√(289-64)=√225=15
6)x=√(RM²-KN²); KN=1/2RM=3; x=√(6²-3²)=√(36-9)=√27=3√3
7)x=√((x/2)²+8²); x²-x²/4=64; 3x²/4=64; x²=256/3; x=16√3/3
8)x=√(AC²-AD²)=√(26²-10²)=√(676-100)=√576=24