Math, asked by ruksanabanu087, 8 months ago

in triangle lmn ,l=70 and m=90 then find n​

Answers

Answered by Swethapreetha770
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 Anonymous
10

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Therefore ,

m+n+l=180°

90°+n+70°=180°

n = 180°-160°

n =20°

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