Calculate the perimeter of the trapezium PQRS

dolitlo

6 years ago

Using Pythagora's rule the length of the base of the triangle can be found adding it to the length of the upper side of the trapezium to find the length of the base of the trapezium. The resulting length is 21cm
21cm + 18cm + 4cm + 5cm = 48cm

Yricidri

4 years ago

Why did you choose this answer. Explain in details

Yricidri

4 years ago

Explain in details