The perimeter of a rectangular book is given as 16.84 cm. Find the length of the rectangular book (in decimals) whose width is 1
1 answer:
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Answer:
Step-by-step explanation:
Remove all those parentheses by multiplying. Note: 2 and 2 cancel out.
Subtract 2x
Combine like terms;
Divide by -3
Rewriting it;
Answer:
Is a right triangle
Step-by-step explanation:
step 1
Find the measure of angle C
Remember that
The sum of the internal angles of a triangle must be equal to 180 degrees
so
substitute the given values
therefore
The triangle is a right triangle, because has a internal angle of 90 degrees