English

Measure the length of the floor of your classroom in meters. Also, measure the width. What is the area of the floor of your classroom in square metres?

Advertisements
Advertisements

Question

Measure the length of the floor of your classroom in meters. Also, measure the width.

  • What is the area of the floor of your classroom in square metres?
Sum
Advertisements

Solution

Area

= Length x Breadth

= 10 × 8

= 80 square meter

shaalaa.com
  Is there an error in this question or solution?

RELATED QUESTIONS

In fig below, ABCD is a parallelogram, AE ⊥ DC and CF ⊥ AD. If AB = 16 cm, AE = 8
cm and CF = 10 cm, find AD.


In Q. No 1, if AD = 6 cm, CF = 10 cm, and AE = 8cm, find AB.


In the below Fig, ABC and ABD are two triangles on the base AB. If line segment CD is
bisected by AB at O, show that ar (Δ ABC) = ar (Δ ABD)


ABCD is a parallelogram in which BC is produced to E such that CE = BC. AE intersects
CD at F.
(i) Prove that ar (ΔADF) = ar (ΔECF)
(ii) If the area of ΔDFB = 3 cm2, find the area of ||gm ABCD.


ABCD is a parallelogram whose diagonals AC and BD intersect at O. A line through O
intersects AB at P and DC at Q. Prove that ar (Δ POA) = ar (Δ QOC).


ABCD is a parallelogram. E is a point on BA such that BE = 2 EA and F is a point on DC
such that DF = 2 FC. Prove that AE CF is a parallelogram whose area is one third of the
area of parallelogram ABCD.


D is the mid-point of side BC of ΔABC and E is the mid-point of BD. if O is the mid-point
of AE, prove that ar (ΔBOE) = `1/8` ar (Δ ABC).


ABC is a triangle in which D is the mid-point of BC. E and F are mid-points of DC and AErespectively. IF area of ΔABC is 16 cm2, find the area of ΔDEF.


PQRS is a trapezium having PS and QR as parallel sides. A is any point on PQ and B is a point on SR such that AB || QR. If area of ΔPBQ is 17cm2, find the area of ΔASR.


ABCD is a parallelogram. P is any point on CD. If ar (ΔDPA) = 15 cm2 and ar (ΔAPC) = 20 cm2, then ar (ΔAPB) =


Diagonal AC and BD of trapezium ABCD, in which AB || DC, intersect each other at O. The triangle which is equal in area of ΔAOD is


The perimeter of a triangle ABC is 37 cm and the ratio between the lengths of its altitudes be 6: 5: 4. Find the lengths of its sides.
Let the sides be x cm, y cm, and (37 - x - y) cm. Also, let the lengths of altitudes be 6a cm, 5a cm, and 4a cm.


The medians of a triangle ABC intersect each other at point G. If one of its medians is AD,
prove that:
(i) Area ( ΔABD ) = 3 x Area ( ΔBGD )
(ii) Area ( ΔACD ) = 3 x Area ( ΔCGD )
(iii) Area ( ΔBGC ) = `1/3` x Area ( ΔABC ).


Find the area of a rectangle whose length = 15 cm breadth = 6.4 cm


The side of a square is 3.6 cm; find its area.


Find the area and perimeter of the following parallelograms


Which has the bigger area - one of your footprints or the page of this book?


Altogether how many squares can be arranged on it?


This stamp has an area of 4 square cm. Guess how many such stamps will cover this big rectangle.


Measure the length of the floor of your classroom in meters. Also, measure the width.

  • So how many children can sit in one square meter?

Look at the table. If you were to write the area of each of these which column would you choose? Make a (✓).

  Square
cm
Square
meter
Square
km
Handkerchief ✓    
Sari      
Page of your book      
School land      
Total land of a city      
Door of your classroom      
Chair seat      
Blackboard      
Indian flag      
Land over which a river flows      

Each line gives a story. You have to choose the question which makes the best story problem. The first one is already marked.

  • A shopkeeper has 204 eggs. He puts them in egg trays. Each tray has 12 eggs.
    a) How many more eggs will he need?  
    b) How many fresh eggs does he sell?  
    c) How many egg trays does he need?  

Measure the length of the floor of your classroom in meters. Also measure the width.

  • If you want to move around easily then how many children do you think should be there in one square meter?

In the following figure, the area of parallelogram ABCD is ______.


Is the area of both your footprints the same?


Find the area of the following figure by counting squares:


Find the area of the following figure by counting squares:


Which statement correctly describes how area is determined?


If a figure contains only 8 fully-filled squares and no partial squares, what is its area?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×