Answer:
The answer is b) 20.
Step-by-step explanation:
Pythagorean theorem: a²+b²=c²
Substitution: 12²+16²=x²
Simplify: 400=x², x=20
Answer:
x= 12 units.
Step-by-step explanation:
To solve this equation, we can find each half of the base using the Pythagorean theorem. We will use 'x' as denoting each HALF of the base:
45= 3²+x²
Subtracting from both sides will give us:
36= x²
x=6.
However, the base in this problem is '2x' because 'x' is HALF of the base.
2(6)= 12 units.
Attached you will see the solution using the trig plane and general solutions.
Step-by-step explanation:
Notice that:
1st column = (5 - 1)² = 16
2nd column = (11 - 4)² = 49
Therefore 3rd column = (18 - *)² = 121, * = 7.
