Question:
The diagonals of a rhombus are 7.5 cm and 12 cm. Find its area.
The diagonals of a rhombus are 7.5 cm and 12 cm. Find its area.
Updated On: Jan 5, 2024
Hide Solution
Verified By Collegedunia
Solution and Explanation
Given: d1 = 7.5 cm and d2 = 12 cm
We know that the area of a rhombus =\( (\frac{1}{2} )×d_1×d_2\)
\(= (\frac{1}{2})×7.5×12 = 45\)
Therefore, the area of the rhombus is 45 cm2 .
Was this answer helpful?
1
0
Top Questions on Area of a Polygon
- Top surface of a raised platform is in the shape of a regular octagon as shown in the figure. Find the area of the octagonal surface.
- CBSE Class VIII
- Mathematics
- Area of a Polygon
- The area of a trapezium is 34 cm2 and the length of one of the parallel sides is 10 cm and its height is 4 cm. Find the length of the other parallel side.
- CBSE Class VIII
- Mathematics
- Area of a Polygon
- Diagram of the adjacent picture frame has outer dimensions = 24 cm x 28 cm and inner dimensions 16 cm x 20 cm. Find the area of each section of the frame, if the width of each section is same.
- CBSE Class VIII
- Mathematics
- Area of a Polygon
- There is a pentagonal shaped park as shown in the figure.
For finding its area Jyoti and Kavita divided it in two different ways. Find the area of this park using both ways. Can you suggest some other way of finding its area?- CBSE Class VIII
- Mathematics
- Area of a Polygon
- Mohan wants to buy a trapezium shaped field. Its side along the river is parallel to and twice the side along the road. It the area of this field is 10500 m2 and the perpendicular distance between the two parallel sides is 100 m, find the length of the side along the river.
- CBSE Class VIII
- Mathematics
- Area of a Polygon
View More Questions
Questions Asked in CBSE Class VIII exam
- When he felt the earthquake, do you think Ignesious immediately worried about a tsunami? Give reasons for your answer. Which sentence in the text tells you that the Ignesious family did not have any time to discuss and plan their course of action after the tsunami struck?
- CBSE Class VIII
- The Tsunami
- Subtract 4p2q – 3pq + 5pq2 – 8p + 7q – 10 from 18 – 3p – 11q + 5pq – 2pq2 + 5p2q
- CBSE Class VIII
- Addition and Subtraction of Algebraic Expressions
Fill in the blanks using the correct form of the verbs in brackets.
My little sister is very naughty. When she ____ (come) back from school yesterday, she had _____(tear) her dress. We _____(ask) her how it had _____(happen). She ______(say) she _____ _____ (have, quarrel) with a boy. She _____ _____ (have, beat) him in a race and he _____ ____ (have, try) to push her. She _____ ____ (have, tell) the teacher and so he _____ _____ (have, chase) her, and she _____ _____ (have, fall) down and _____ _____ (have, tear) her dress.
- CBSE Class VIII
- The Best Christmas Present in the world
- Identify the part which vibrates to produce sound in the following instruments.
- Dholak
- Sitar
- Flute
- CBSE Class VIII
- Sound is Produced by a Vibrating Body
- The process that you saw in Activity 11.7 is used for purification of copper. A thin plate of pure copper and a thick rod of impure copper are used as electrodes. Copper from impure rod is sought to be transfered to the thin copper plate. Which electrode should be attached to the positive terminal of the battery and why?
- CBSE Class VIII
- Electroplating
View More Questions