That's Roman numerals but it is 1636 not as Roman numerals hope I helped
Answer:
Answer:
Pythagoras law:h²=p²+b²
needed to apply
4²+8²=12²
80≠144 not a right angled triangle
again
2²+√5²=3²
9=9/
<em><u>side</u></em><em><u> </u></em><em><u>are</u></em><em><u> </u></em><em><u>a</u></em><em><u> </u></em><em><u>right</u></em><em><u> </u></em><em><u>angled</u></em><em><u> </u></em><em><u>triangle</u></em>
again
2²+2²=(√8)²
4+4=8
8=8
<em><u>side are a right angled triangle</u></em>
The answer is C.
I got this by plugging the y and one x.