A warning sign has the dimensions shown below. The sign is a composite figure. The warning sign can be thought of a rectangle and a triangle, or a pair of identical trapezoids. To the nearest square inch what is the area of the warning sign? Include the units.

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Question

A warning sign has the dimensions shown below. The sign is a composite figure. The warning sign can be thought of a rectangle and a triangle, or a pair of identical trapezoids. To the nearest square inch what is the area of the warning sign?  Include the units. 

URL picture: https://cds.flipswitch.com/tools/asset/media/472751

jhonyy9 · Answer

ok. so let being a triangle and a rectangle so how you get area of them ?

jhonyy9 · Answer

hope you know area of a rectangle is length time width and area of a triangle is base time height divide 2 - yes ?

jhonyy9 · Answer

please collaborate

jhonyy9 · Answer

so the langth of the base of this triangle is equal with the length of the rectangle 

do you see it what will be ?

ricardo_guzman129489 · Answer

yes, @jhonyy9

jhonyy9 · Answer

ok so how many will be the length of the base of this triangle ?

ricardo_guzman129489 · Answer

okay so I did all of it and for my final answer I got 250 in square, Do you think that's correct?

jhonyy9 · Answer

please write your calculi here - i dont know again how many will get ...

ricardo_guzman129489 · Answer

okay so first I multiply 7*20= 140 then I need to get the half of it so I divide 140/2= 70, then I multiply 20*9=180 so lastly, I add 70 + 180= 250

jhonyy9 · Answer

so this mean that 70 will be area of triangle - yes ?

yes you are right secure sure 

nice - good job

ricardo_guzman129489 · Answer

yes :) and yay! thanks for your help

jhonyy9 · Answer

np

welcome 

was my pleasure 

good luck

bye bye