Answer:
it should be 10
Step-by-step explanation:
Use pythagoras theorem
Square root of 10 Square minus 8 Square. This will be the length of AD and DC. The length of AC will be 6+6 which is 12
A dilation
i
75
(71+89+100+x)/3=83.75
(83.75*4)
335-100-89-71=75
0
=-5/6-7/6+2
=-12/6+2
=-2+2=0
