A has right triangles also known for the 90 degree angle triangle.
In both they both have 90 degree and 4 sides
b has parallelograms and obtuse angles
Si tu prend un chien de 12k je crois que ta réponse va donner 15000
(5x+7) + (8x-21) = 90
13x-14 = 90
13x= 104
X=8
The angle measurements are 47, and 43
70.17543859649122 percent change , rounded would be 70%, it is a 70% increase, as it goes to 57,000 to 97,000
Median; 12
mean; 13
mode; 12, 19
