Question

A triangle whose 2 angles measure 30°and 120°is..... a)scalene. b)isosceles c)equilateral d) right angle

Answer 1

ᴴᴱᵞᴬ

ᴴᴱᴿᴱ ᴵˢ ᵀᴴᴱ ᴬᴺˢᵂᴱᴿ

ᴳᴵᵛᴱᴺ :-

ᵀᵂᴼ ᴬᴺᴳᴸᴱˢ = 30° ᴬᴺᴰ 120°

ᵀᴴᴵᴿᴰ ᴬᴺᴳᴸᴱ :-

=> 180° - (30° + 120°)

=> 180° - 150°

=> 30°

ᴺᴼᵂ,

ᵀᴴᴱ ᴬᴺᴳᴸᴱˢ ᴬᴿᴱ :-

30°, 30° ᴬᴺᴰ 120°

ᵀᴴᴱ ᴹᴱᴬˢᵁᴿᴱ ᴼᶠ ᵀᵂᴼ ᴬᴺᴳᴸᴱ ᴵˢ ˢᴬᴹᴱ. ᵀᴴᴱᴺ ᵀᴴᴱ ᵀᵂᴼ ᴼᴾᴾᴼˢᴵᵀᴱ ˢᴵᴰᴱˢ ᵂᴵᴸᴸ ᴬᴸˢᴼ ᴮᴱ ᴱᵟᵁᴬᴸ.

ᴬˢ ᵂᴱ ᴷᴺᴼᵂ ᵀᴴᴬᵀ ᴵᴺ ᴵˢᴼˢᶜᴱᴸᴱˢ ᵀᴿᴵᴬᴺᴳᴸᴱ, ᵀᵂᴼ ˢᴵᴰᴱˢ ᴬᴿᴱ ᴱᵟᵁᴬᴸ.

ᵀᴴᴱᴿᴱᶠᴼᴿᴱ, ᴼᴾᵀᴵᴼᴺ (ᴮ) ᴵˢ ᶜᴼᴿᴿᴱᶜᵀ.

ᴴᴼᴾᴱ ᵀᴴᴵˢ ᴴᴱᴸᴾˢ.