The diagram shows rectangle ABCD - OCR - GCSE Maths - Question 20 - 2021 - Paper 3

Question 20

The diagram shows rectangle ABCD.
DB = 13 cm and BC = 5 cm.
Calculate the area of the rectangle.
You must show your working.
Worked Solution & Example Answer:The diagram shows rectangle ABCD - OCR - GCSE Maths - Question 20 - 2021 - Paper 3
Calculate the Length of the Rectangle

Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Given that BC = 5 cm, we can deduce that AB also equals 5 cm since opposite sides of a rectangle are equal.
Calculate the Width of the Rectangle

Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Similarly, we have DB = 13 cm, which indicates that AD = 13 cm as well.
Calculate the Area of the Rectangle

Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
The area of a rectangle is calculated using the formula:
Area=LengthimesWidth
Substituting the values we found:
Area=13extcmimes5extcm=65extcm2
Therefore, the area of rectangle ABCD is 65 cm².
Join the GCSE students using SimpleStudy...
97% of StudentsReport Improved Results
98% of StudentsRecommend to friends
100,000+ Students Supported
1 Million+ Questions answered
;