Question

the angle of a triangle are (2×+1)°,(3×-3)° and (4×+2)° Find the angle ​

Answer 1

Step-by-step explanation:

Area of triangle=180⁰

(2x+1)⁰+(3x-3)⁰+(4x+2)⁰=180⁰

2x+1+3x-3+4x+2 =180⁰

9x+3-3 = 180⁰

9x =180⁰

x =180⁰/9

x=20⁰

(2x+1)⁰=(2×20+1)⁰=(40+1)⁰=41⁰

(3x-3)⁰=(3×20-3)⁰=(60-3)⁰=57⁰

(4x+2)⁰=(4×20+2)⁰=(80+2)⁰=82⁰