Answer:
1,215 i think please be right
Answer:215
Step-by-step explanation:
Y= 5.91 yup that’s the answer

so,

it equals 12.49 or 12.5 depending on rounding
I hope this helps!
Answer:
7
Step-by-step explanation:
This a special 90° 45° 45° triangle and is an Isosceles triangle at the same time
Of one of the equal side is 7 than the other one too must be 7