Please someone help! Thanks!
2 answers:
Answer:
Step-by-step explanation:
When given the following problem,
Distribute, multiply every term inside the parenthesis by the term outside of the parenthesis,
Now simplify the expression, remember, negative times negative is positive,
Rewrite as a decimal; remember () is equivalent to (
). Therefore (
) equals (
). Apply this here to rewrite the expression as a decimal,
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Answer:
4
Step-by-step explanation:
This is an isosceles and right triangle at the same time
In fact, this triangle is called 45-45-90 special right triangle and the side lengths for this special triangle is as follows:
The sides that see the angle with measure 45 is represented with x
and
The side that sees the angle with measure 90 is represented with x
one of the sides that has angle measure 45 is given as 4
to find the length of BC we we need to multiply 4 with
4 *
= 4