Question

calcule o valor das incógnita nas figuras acima:

Answer 1

b) 6


c) xaoquadrado= 144+81
xaoquadrado=225
×=15

Answer 2

d²=9²+12²
d²= 81+144
d²=225
d =15

10²= x²+8²
100=x²+64
x²=100-64
x²=36
x=6