Robert stands atop a 1,380-foot hill. He climbs down, reaching the bottom of the hill in 30 minutes. What is Robert’s average ra
1 answer:
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Answer:
4
Step-by-step explanation:
= 4 because the variable y on the numerator and the denominator can cancel out.
Answer:
x=15 cm
Step-by-step explanation:
The two triangles in the diagram are:
ABC and BDC
First we have to find the third side (hypotenuse) of BDC so that we can use it to find the value of x.
Hypotenuse is the largest side of a triangle which is usually in front of the right angle.
So in BDC
Applying Pythagoras theorem:
Solving for triangle ABC
Applying Pythagoras theorem
Hence,
x=15 cm