Answer:
a
Step-by-step explanation:
i did this in middle shoool
hehe
Answer:
4x
Step-by-step explanation:
Answer:
x=5
Step-by-step explanation:
You know that both diagonals would equal each other in a parallelogram. Set both equations equal to each other, and solve for x.
5x-17=2x-2
3x=15
x=5
Answer:
(C)
Step-by-step explanation:
In order to find whether the given side lengths form a right triangle or not, we must show that it satisfies the Pythagoras theorem.
A. , 10 and 116
According to Pythagoras theorem,
⇒
⇒
which does not satisfy the condition, therefore these side lengths do not form a right triangle.
B. 3,6 and 8
According to Pythagoras theorem,
⇒
⇒
⇒
which does not satisfy the condition, therefore these side lengths do not form a right triangle.
C. 30, 40 and 50
According to Pythagoras theorem,
⇒
⇒
⇒
which satisfies the condition, therefore theses side lengths form right triangle.
Answer: 37
Step-by-step explanation: