Twelve year old laura has a tibia that is 21 cm long. about how tall is she, rounded to the nearest cm?

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons

4+(2+x) can you me solve this problem

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )