Answer:
B
Step-by-step explanation:
Perimeter is the total sum of the 4 sides.
The height is given as 8 inches. If this is doubled the new height becomes 16 inches. (The height increases by 8 inches)
total increase in perimeter = 8 + 8 = 16 inches.
Answer: 16 inches
Answer:
1 = 56°
Explanation:
Interior angles 1 and 83° must add up to the external angle 139° because of the reason ‘exterior angles of a triangle’.
Angle 1+83°=139° (ext angles of triangle)
Angle 1 = 139°-83°
Angle 1 = 56°
Answer:
6
Step-by-step explanation:
20 times 0.3 is 6
Answer:
-2.5?
Step-by-step explanation:
