NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 2: Fractions and Decimals - Problems and SolutionsQuestion 111
Class 7 - Mathematics - Unit 2: Fractions and Decimals - Problems and Solutions
Question. 111
Square & equilateral triangle share side 4/3 cm. Find perimeter of figure.

Answer:
\(\tfrac{20}{3}\,cm\) or 6\tfrac{2}{3} cm
Detailed Answer with Explanation:
Square perimeter minus base + triangle perimeter: (4×4/3 − 4/3) + 3×4/3 = 20/3.