Answer:
As area of picture is 300 cm² thus Square centimeters is the appropriate unit for measuring area of picture .
Option (B) is correct .
Step-by-step explanation:
Formula
Area of rectangle = Length × Breadth
As given
A picture that is 20 centimeters tall and 15 centimeters wide .
Length = 20 cm
Breadth = 15 cm
Putting all the values in the formula
Area of rectangle = 20 × 15
= 300 cm ²
As area of picture is 300 cm² thus Square centimeters is the appropriate unit for measuring area of picture .
Option (B) is correct .
