in triangle lmn ,l=70 and m=90 then find n
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Answered by
2
angle l +angle m + angle n=180°
70°+90°+n=180°
160°+n=180°
n=180°-160°
n=20°
to check
add all three angles
i.e 70°+90°+20°=180°
hope it helps
Answered by
10
Therefore ,
m+n+l=180°
90°+n+70°=180°
n = 180°-160°
n =20°
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