Answer:
C. Isosceles Triangle
Step-by-step explanation:
An Isosceles triangle is a type of triangle in geometry that has two sides of equal length.
From the figure attached, triangle STR has two sides of equal length which are;
1.) ST and
2.) TR
The two equal sides (ST and TR) are called legs while the third side is called the base of the triangle.
*P.S: I believe your question is based on the image attached
The length of the connected section of the pipe is 20 meters
To solve this question, we are going to do addition of fractions. But we must first convert the fractions from mixed fraction to an improper fraction.
<h3>Conversion of Fraction</h3>The given length are
Convert these mixed fractions into improper fractions
Now let's add up 20/3 in 3 places since they are of equal length.
From the calculation above, the length of the connected section of the pipe is 20 meters.
Learn more on fractions here;