In a triangle, a segment is drawn joining the midpoint of two sides. What is true about this segment?

1. It is parallel to the 3 rd side.

2. Its length is twice the 3 rd side.

3. Its length is equal to the 3 rd side.

4. It is ⊥ to the 3 rd side.

Astudent survey asked: "how tall are you (in inches)? " here's the data: 67, 72, 73, 60, 65, 86, 72, 69, 74 give the five number summary. a. median: 73, mean: 70.89, iqr: 5, min: 60, max: 74 b. 60, 66, 72, 73.5, 86 c. 60, 67, 72, 73, 74 d. 0, 60, 70, 89, 74, 100

The square root of 9x plus 7 plus the square rot of 2x equall to 7

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex