Question

The angle of tje triangle are ( x+10°),(2x-30°) and x° .find the value of x

Answer 1

We know that the sum of the angles of a triangle is 180 degree.

(x + 10) + (2x - 30) + x = 180

x + 10 + 2x - 30 + x = 180

4x - 20 = 180

4x = 200

x = 200/4

x = 50

Hope this helps.....

Answer 2

уσυя αиѕωєя !!

ᴛʜᴇ ᴛʜʀᴇᴇ ᴀɴɢʟᴇs ᴏғ ᴛʜᴇ ᴛʀɪᴀɴɢʟᴇ ᴀʀᴇ:

x°

(x + 10)°

(2x - 30)°

sᴜᴍ ᴏғ ᴛʜʀᴇᴇ ᴀɴɢʟᴇs ᴏғ ᴀ ᴛʀɪᴀɴɢʟᴇ = 180°

$= > x + (x + 10) + (2x - 30) = 180 \\ \\ = > x + x + 10 + 2x - 30 = 180 \\ \\ = > 4x - 20 = 180 \\ \\ = > 4x = 180 + 20 \\ \\ = > 4x = 200 \\ \\ = > x = \frac{200}{4} \\ \\ = > x = 50$


ʜᴇɴᴄᴇ, ғɪʀsᴛ ᴀɴɢʟᴇ = x = 50°

sᴇᴄᴏɴᴅ ᴀɴɢʟᴇ = x + 10 = 50 + 10 = 60°

ᴛʜɪʀᴅ ᴀɴɢʟᴇ = 2x - 30 = 2 × 50 - 30 = 100 - 30 = 70°

тнαикѕ !!