CBSE > Class 07 > Mathematics | CBSE Board | Homework Help

Let the sides of triangle be 13y,14y,15y 13y+14y+15y= 84cm 42y = 84cm y = 84/42 y = 2 Sides are 13y= 13*2= 26 14y= 14*2=28 15y = 15*2 = 30 Check= 26+28+30= 84 cm

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Find the area of aparallelogram with base=13.5cm and altitude =9cm

Posted by Paras Farkade 5 years, 10 months ago

CBSE > Class 07 > Mathematics

2 answers

Sachin Shukla 5 years, 10 months ago

121.5cm

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Paras Farkade 5 years, 10 months ago

Area of parallelogram=base×height 13.5×19 256.5cm^2

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Covert 2 km/ h in m / s

Posted by Dinesh Negi 5 years, 10 months ago

CBSE > Class 07 > Mathematics

2 answers

Ps Sharan 5 years, 10 months ago

Sorry... Ans is 0.55 m/s

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Ps Sharan 5 years, 10 months ago

7.2 m/s

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Find the ratio between 400 grams and 3kg

Posted by Guramil Kaur 5 years, 10 months ago

CBSE > Class 07 > Mathematics

0 answers

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Find the mean of first five multiple number of 5

Posted by omje****@***** 5 years, 10 months ago

CBSE > Class 07 > Mathematics

4 answers

Sachin Shukla 5 years, 10 months ago

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Shristi Gairola 5 years, 10 months ago

5+10+15+20+25/5 75/5 15

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Digvijay Singh 5 years, 10 months ago

What is phelom

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omje****@***** 5 years, 10 months ago

Find the mean of the first five multiples number of 5

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Find the mean of the first six multiple of 5

Posted by omje****@***** 5 years, 10 months ago

CBSE > Class 07 > Mathematics

0 answers

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In a parallelogram ABCD,AB 7.2cm and the perpendicular from C on AB is 4.5 cm

Posted by Maria Rosil 5 years, 10 months ago

CBSE > Class 07 > Mathematics

0 answers

ANSWER

Formula for area of semicircle

Posted by ritu****@***** 5 years, 10 months ago

CBSE > Class 07 > Mathematics

2 answers

Sai Kiran Mahanty 5 years, 10 months ago

Multiply 1/2 also

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Sai Kiran Mahanty 5 years, 10 months ago

(22/7 or 3.14*r*r

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Find the height f a triangle whose area is 168 CM and whose base is 16cm

Posted by Meet Patel 5 years, 10 months ago

CBSE > Class 07 > Mathematics

1 answers

Yogita Ingle 5 years, 10 months ago

{tex}area = \frac{1}{2} \times base \times hieght \\ 168cm {}^{2} = \frac{1}{2} \times 16cm \times height \\ \\ height = \frac{168cm {}^{2} \times 2 }{16cm} {/tex}

{tex}\large{\implies{\ green{height=21cm}}}{/tex}

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A wire is in the shape of a rectangle whose length is 40 cm and breadth is 22 CM if the the same wire is represented in the shape of a square what will be the measure of each side also find also fine which shape is enclosed more area

Posted by Lakshya S 5 years, 10 months ago

CBSE > Class 07 > Mathematics