Math, asked by yash240roxx, 11 months ago

the length of a rectangle is four timesits widht if the perimeter is 20cm find it's dimension

Answers

Answered by abhyuu

1

Answer:

16

Step-by-step explanation:

2w +2*4*w = perimeter = 20

10w=20

w=2

length = 4*w

therefore length =8 cm

yash240roxx: thanks bruh

Answered by laxmi1278

3

Let the width be x cm and length be 4x cm.

According to question,

Perimeter= 2× (l + b)

20 cm = 2× ( 4x + x)

20 cm = 10 x

20/10 = x

2= x or x = 2

Therefore the width is 2 cm and the length is 8 cm.

laxmi1278: Thnx @akrock98

Previous Question

Next Question

Similar questions

India Languages, 6 months ago

1. रमेश आर रहाम का और रहीम की आयु 9 वर्ष कम होती है, तो रमेश की आयु रहीम की आयु से दुगनी होती। दोनों की वर्तमान आयु ज्ञात कीजिए। 2. दो संख्याओं का योगफल 25 तथा उनमें अनुपात 2:3 है। संख्याएँ ज्ञात कीजिए। 3. दो अंकीय संख्या के अंकों का योगफल 12 है। यदि अंकों के स्थान आपस से बदलने से प्राप्त नवीन 0...

Physics, 6 months ago

Fig. 14.24 8. Fill in the blanks: (a) Longer line in the symbol for a cell represents its terminal. (b) The combination of two or more cells is called a c) When current is switched on in a room heater, it (d) The safety device based on the heating effect of electric current is called a 9. Mark T if the statement is true and F if it is false: (a) To make a battery of two cells, the negative...

Math, 6 months ago

the sum of 4th and 8th term of an AP is 24 and the sum of the 6th and 10th terms is 44. Find the first three terms of AP...

Science, 11 months ago

erns question. These are w ve wwertum भाग ४ | SECTION A उस शर्त का उल्लेख कीजिए जिसके अंतर्गत किसी चालक से धारा प्रवाहित हो सकती है । Mention the condition under which a current can flow in a conductor. सौर सेलों के दो लाभों की सूची बनाइए । List two merits of solar cells. 143...

Accountancy, 11 months ago

Q4. In 2009 the subscription received were Rs.21,000. These subscription include Rs.300 for 2008 and Rs.400 for 2010. On 31" December 2009 subscription due but not received were Rs.500. The corresponding amount on 1" January, 2009 was Rs.600. What amounts should be credited to the Income and Expenditure Account as subscriptions for the year 2009?

Science, 1 year ago

animals in cold region have small ears, tails and short legs...

Biology, 1 year ago

why is parenchyma called permanent tissue? name the two special types of parenchyma? mention their specific roles in plant ?

Political Science, 1 year ago

Why do we need political theory?