The actual length of a in the triangle shown is 10 cm. Use the scale drawing of the triangle to find the actual length of side b.
Responses
A 0.18 cm0.18 cm
B 12.5 cm12.5 cm
C 16 cm16 cm
D 48.5 cm
B 12.5 cm
To find the actual length of side b, we can see that side b is 5 units long in the scale drawing. Since the actual length of side a is 10 cm, and the ratio of side a to side b in the scale drawing is 2:1, we can calculate the actual length of side b by multiplying 5 units by 2.
5 units x 2 = 10 units
Therefore, the actual length of side b is 10 cm x 2 = 20 cm.