Tristan has a square back yard with an area of 225ft sq. He started to plant grass seed but only did half his yard. What is the diagonal length across his yard? Hint, use the area to find the length of one side of the yard, and then use 45-45-90 triangles to find the hypotenuse Grass 21.2 ft 15.8 ft​

step-by-step explanation:

i am not sure sorry : c

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 "

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step-by-step explanation:

equals the constant of proportionality.

solve for