If your brother is 12 years old and you are 10 years old. How old will you have to be to be half your brother's age?
2 answers:
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Given:
The given expression is
To find:
The two other equivalent expressions.
Solution:
We have,
Using distributive property, we get
So, one equivalent expression is .
On further simplification, we get
Therefore, the second and fully simplified equivalent expression is .
Answer:
Part a)
Part b)
Step-by-step explanation:
see the attached figure with letters to better understand the problem
Part a) Find the length AB
Applying the Pythagoras Theorem in the right triangle ABH
where
AB is the hypotenuse (the greater side)
AH and HB are the legs of the right triangle
we have
substitute the values
Part a) Find the length AC
Applying the Pythagoras Theorem in the right triangle ABC
where
AC is the hypotenuse (the greater side)
AB and BC are the legs of the right triangle
we have
substitute
