Question

Find the value of X. Find the m

Answer 1

Explanation:

all angles of a triangle add up to 180 degrees, so:

3x-40+x+60 = 180

4x = 180 - 60 + 40

4x = 160

x = 40

Check:

LS: RS:

3(40)-40+40+60 180

= 180

because LS = RS,

x = 40

Hope this helps and you understand!!