👤

Sagot :

Bonsoir,

aire carré = x*x = x²

aire triangle = (x*13)/2)  = 13x/2 = 6,5x

x² =6,5x

6,5 = x²/x= x

=> x= 6,5

Vérif:

6,5 *6,5 =42,25

(6,5*13)/2 =42,25

© 2024 IDNLearn. All rights reserved.