bonjour
1 ) ( 13 x 6 ) / 2 = 39
aire POM = 39 cm²
2 ) PO² = 6² + 9 ² = 36 + 81 = 117
PO = √117
PM² = 6 ² + 4 ² = 36 + 16 = 52
PM = √ 52
13 ² = 117 + 52
169 = 169
donc POM est rectangle en P
A = ( √52 x √ 117 ) / 2 = 78/2 = 39
3 ) fait au dessus
4 ) 117 = 3² x 13
52 = 2² x 13
√117 x √52 = √9 x √13 x √4 x √13
= 3 √13 x 2 √13 = 6 *13 = 78
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
bonjour
1 ) ( 13 x 6 ) / 2 = 39
aire POM = 39 cm²
2 ) PO² = 6² + 9 ² = 36 + 81 = 117
PO = √117
PM² = 6 ² + 4 ² = 36 + 16 = 52
PM = √ 52
13 ² = 117 + 52
169 = 169
donc POM est rectangle en P
A = ( √52 x √ 117 ) / 2 = 78/2 = 39
3 ) fait au dessus
4 ) 117 = 3² x 13
52 = 2² x 13
√117 x √52 = √9 x √13 x √4 x √13
= 3 √13 x 2 √13 = 6 *13 = 78