There are a few possibilities, you could have 60 degrees 30 degrees and 90 degrees, for one triangle those added up equal 180 which is needed to make a right triangle. Another possibility would be 45 degrees 45 degrees 90 degrees, those added up equals to 180 degrees. :D
Answer:
b
Step-by-step explanation:
Perimiter is adding up all sides A+B+C+D.
Rectangles have two sets of parallel lines the height and the width.
If we know one of the heights is 7 the. We can conclude the parallel side is also 7
So then the total perimiter 34 minus the heights is 20.
We know that there is another set of parallel sides, remaining and 20 is how perimiter is left
… so if you divide by 2 your left with one side which is the width
Answer 10
Answer:
15
Step-by-step explanation:
45 divided by 3 equals 15
45 ÷ 3 = 15