Answer:
The no. of medians in a right angled triangle is 3
Medium - is the line that divide the triangle into 2 equal parts
Answer: =3x+3
Step-by-step explanation:






<h3>
Answer: 7/13</h3>
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Explanation:
We know that the marble selected is red, so we don't need to focus on the other colors.
7 red marbles are in urn B out of 2+7+4 = 13 total red marbles.
The probability the red marble came from urn B is therefore 7/13