If two segments are perpendicular, the lines containing them are coplanar. I need Some help please!! ​

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step-by-step explanation:

step-by-step explanation:

what grade level is this? need to know so i can look in my old textbooks!

dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.

127

whether it's diameter, or radius, i believe if i remember correctly from school, every amount has to always add up to 180. so if you take 53, and starting adding, long story short, taking 127 and adding it to 53, gives you 180.