Answer:
x = 40/9
Step-by-step explanation:
Since the angles are opposite angles they are equal. This means the equation to solve this would be:
9x + 15 =55
The Subtraction Property of Equality states that we can subtract the same amount from both sides of the equation and have an equivalent equation afterwards.
So subtract 15 from both sides to get:
9x = 40
The Division Property of Equality states that we can divide the equation on both sides of the equation and have an equivalent equation afterwards.
So divide both sides by 9 to get:
x = 40/9
Answer:
1354
Step-by-step explanation:
DO IT IT'S EASY WITH A CALCULATOR !!!!!!
Answer:
56√2 ≈ 79.20
Step-by-step explanation:
The hypotenuse of an isosceles right triangle is √2 times the side length, so the side length here is ...
s·√2 = 28
s = 28/√2
The perimeter is 4 times the side length, so is ...
P = 4s = 4·28/√2
= 4·28·(√2)/2 . . . . . multiply by (√2)/(√2) to rationalize the denominator
= 56√2 ≈ 79.195959
The perimeter of the square is 56√2, about 79.20 units.
