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Mensuration: Areas and Volumes · Question 3 of 68

Question 3

EasyOriginal question

A rhombus-shaped kite has diagonals of 16 cm and 30 cm. What is its area?

Options for question 3

Show the answer and explanation
CorrectNot quiteAnswer B

Correct answer: B

Explanation

  1. Area of a rhombus = 12×d1×d2\frac{1}{2} \times d_1 \times d_2.

  2. Area = 12×16×30=240\frac{1}{2} \times 16 \times 30 = 240 cm².

Worth noting

480 cm² forgets the half. 255 cm² multiplies the side (17 cm) by half a diagonal, which is not a formula for anything.

Concept
Area of a rhombus from its diagonals
Typical time
40 s
Your time
—
The rule this testsPerimeter and area
Practise this chapter →

Ten questions from Mensuration: Areas and Volumes, at your own pace.

Practise this chapter →

Ten questions from Mensuration: Areas and Volumes, at your own pace.