Jacob painted 3/4 of a wall his little brother painted 1/2 of what was left how much of the wall is still unpainted

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?

The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points