Answer:
36
Step-by-step explanation:
Using the angle addition postulate
angle 1+angle 2+angle 3=180
Angle 2 is 90 degrees,
Angle 1 is 2x degrees
Angle 3 is 3x degrees
Plug this into equation




Plug 18 into 2x

Answer:
sum of interior angle of heptagon is 900°.
140°+148°+136°+150°+142°+90°+x=900°
806+x=900°
x=900°-806°
x=94°
Answer:
Distributive Property
Step-by-step explanation:
Square ABCD and square EFGH will reflect onto themselves across 8 lines of reflection
Answer:
Interest = $600
Step-by-step explanation:
Interest = principal x rate as decimal x time
Interest = 3,000 x 0.04 x 5
Interest = 600