Answer:
19
Step-by-step explanation:
50% = 1/2
therefore 1/2 of 38
= 19
Answer:-3x+8
Step-by-step explanation:
It is -15 = c
if I am wrong please tell me
Answer:
interior angle of a heptagon = 900 degrees
900 = 4x + (3x + 60)
840 = 7x
840/7 = 120
X = 120
120 X 4 = 480
120 X 3 = 360
480 + 360 + 60 = 900
4 angles = 120 degrees each
3 angles = 140 degrees each
