Math, asked by mohammed12672, 1 day ago

in the figure, measure of angle B =

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Answered by mrunknown8867

5

Answer:

ᴀꜱ ᴡᴇ ᴋɴᴏᴡ ᴛʜᴀᴛ ᴀʟʟ ᴛʜᴇ ᴀɴɢʟᴇꜱ ᴏꜰ ᴛʀɪᴀɴɢʟᴇ=180

ʜᴇʀᴇ,ᴀɴɢʟᴇ-ᴄ=180-110=70

ᴛʜᴇʀᴇꜰᴏʀᴇ,2x-20+x+70+70=180

3x+120=180

3x=180-120

x=60/3=20

ᴀɴɢʟᴇ-ʙ=20+70=90

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