Răspuns :
P=2L+2l
P=L+97
P=l+122
L=P-97
l=P-122
(P-67+P-122)•2=P
4P-438=P
4P-P=438
3P=438
P=438:3
P=146
P=L+97
P=l+122
L=P-97
l=P-122
(P-67+P-122)•2=P
4P-438=P
4P-P=438
3P=438
P=438:3
P=146
P = L + 97
L = P - 97
P = l + 122
l = P - 122
( P - 97 + P - 122 ) x 2 = P
( 2P - 219 ) x 2 = P
4P - 438 = P
4 P - P = 438
3P = 438
P = 438 :3
P = 146
lungimea = 146- 97 = 49cm
latimea = 146 - 122 = 24cm
P = ( 49 + 24 ) x 2 = 73 x 2 = 146 cm
L = P - 97
P = l + 122
l = P - 122
( P - 97 + P - 122 ) x 2 = P
( 2P - 219 ) x 2 = P
4P - 438 = P
4 P - P = 438
3P = 438
P = 438 :3
P = 146
lungimea = 146- 97 = 49cm
latimea = 146 - 122 = 24cm
P = ( 49 + 24 ) x 2 = 73 x 2 = 146 cm