Answer:
6
Step-by-step explanation:
delta math
-1/4
tam 20 = 4 / x
x = 4 /tan 20 = 4 / .364 = 10.99
true
2(x + 15)⁰ + (3x + 20)⁰=180⁰
2x + 30⁰ + 3x + 20⁰=180⁰
2x + 3x + 30⁰ + 20⁰=180⁰
5x + 50⁰ - 50⁰=180⁰-50⁰
5x=130⁰
5x/5=130⁰/5
x=26⁰
