Break a pary ones to makes a ten then add and write the sum 62+9

The sum is 71...because 10 ones make a ten, and 62 is 6 tens with 2 ones, plus 9 ones, which make 7 tens and 1 ones

mark brainliest

a net is a diagram that shows a “flattened” view of a solid. in a net, each face and base is shown with all of its dimensions. a net can also serve as a pattern to build a three-dimensional solid.

a pyramid is a three-dimensional object with a base that is a polygon and triangular faces that meet at one vertex.

" the net of a triangular pyramid consists of four triangles. the base here we are given of the pyramid is a equilateral   triangle, and the lateral faces are also triangles "

need points to ask question

step-by-step explanation: