👤

Sagot :

Réponse :

58 :

P = 2(8+12) = 2*20 =40m

A = 8*12= 96m²

2) a(x) = 8x

p(x) = 2x+16

3) a(x) = 8x = linéaire (forme ax)

p(x)= 2x+16 =affine (forme ax+b)

4) 2x+16=23

2x=23-16

x= 3,5m

59 :

h²=x²+x²

h= √2x²=x√2  

h(x) = linéaire

A(x) = (x*x)/2 = x²/2

A(x) = 128

x²/2 = 128

x²=128*2

x²= 256

x=√256=16

Explications étape par étape :

© 2024 IDNLearn. All rights reserved.