Answer:
Step-by-step explanation:
x²+x²=9²
2x²=81
x²=81/2=(81×2)/4
x=9√2/2≈4.5√2≈6.36
9.
x²+x²=11²
2x²=11²
x²=11²/2
x=11/√2=11√2/2≈7.78
Answer:
7/4 or 1 3/4
Step-by-step explanation:
20 degrees
vertical angles are equal, so 5x-80=x
solve for x and you get 20
5 1/4
(or 5.25)
typing this but bc it says your answer must be more than 20 characters lol
Answer:
61
Step-by-step explanation:
since it is a right angle, you subtract 90 by 29 to get 61