Math, asked by aadityab711, 10 months ago

One angle of a triangle is 2/3 of a right angle and If the second angle is 40° ,find the third angle.

Answers

Answered by Anonymous

1

Answer:

ᴏɴᴇ ᴀɴɢʟᴇ ᴏғ ᴀ ᴛʀɪᴀɴɢʟᴇ = 2/3 * 90º

= 60º

sᴇᴄᴏɴᴅ ᴀɴɢʟᴇ = 40º

ᴛʜɪʀᴅ ᴀɴɢʟᴇ = ?

ʟᴇᴛ , ᴛʜɪʀᴅ ᴀɴɢʟᴇ ʙᴇ x

sᴜᴍ ᴏғ ᴀɴɢʟᴇs ᴏғ ᴀ ᴛʀɪᴀɴɢʟᴇ = 180º

60º + 40º + x = 180º

100º + x = 180º

x = 180º - 100º

x = 80º

ᴛʜɪƦᴅ ᴀɴɢʟᴇ ɪs 80º

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