angle a=angle b+angle c,show that abc is a right angle trangle
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2
Answer:
Step-by-step explanation:
herhighnessparl:
So we can write B + C as A
Substituting we get A + A = 180
describ it
Therefore 2A = 180
Thus A = 90
Therefore it is right angled triangle
Done pls mark me brainliest if you understood well
thanks
∆lmn isosceles, lm=ln. find angle x and angle y
Which is angle x and angle y?
Answered by
1
Answer:
angle a+angle b+angle c=180
angle a+ angle a=180
2.angle a =180
angle a=90
Therefore,ABC is a right angle triangle
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