Step-by-step explanation:
x+y=84
x²=y+6
y+6+y=84
2y+6=84
2y=84-6
2y=78
y=39
x=84-39=45
area = 25.5 cm²
Step-by-step explanation:
i have shown in the image you have to rotate it to see how i worked the area out
i am very sorry i cant work the perimeter out since i have no idea what the length of the two sides of the triangle are . if you need help on understanding how i worked out the area please let me know .
hopefully i was able to help you in half of the question i am sorry for not helping on the perimeter :)
I did get the one in the tux ♂️ and the other one ☝️
Answer:
y=mx+b
Step-by-step explanation: