Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 7 Answered

each of the two equal sides of an isosceles triangle is twice as large as the third side. if the perimeter of the triangle is 30 cm, find the length of each side of the triangle.
Asked by sa6128142 | 09 Mar, 2024, 08:05: PM
answered-by-expert Expert Answer

Let the third side = a cm

Then, each equal side = 2a cm

a+2a+2a=30

5a=30

a=6 cm

2a=12 cm

The sides are 12 cm, 12 cm and 6 cm respectively.

Answered by Rashmi Khot | 10 Mar, 2024, 02:57: PM

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 7 - Maths
(-4)×(-5)×(-2)×(-1)
Asked by asthaenterprises2021 | 24 Apr, 2024, 04:58: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
find x if 9- 5 and 7 by 8 is equal to x-1/8
question image
Asked by shouryavijay0020012 | 17 Apr, 2024, 03:45: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
an aeroplane was flying at a height of 1800 m if decent at rate of 60 m per minute how long it will take to decent at height of 300 m
Asked by archanansingh89 | 14 Apr, 2024, 03:01: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
(-3)×(-12)÷(-4)+3×6
Asked by pakshat261 | 14 Apr, 2024, 01:27: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
starting from (-1)×5, write various products showing some pattern to show (-1)×(-1)= 1
Asked by dineshsinghdhan9 | 11 Apr, 2024, 11:06: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
6. In an examination for each correct answer 5 marks is awareded and for each wrong   answer (-2) is awarde(ii) Jaya answered all the questions. But she could answer only 5 questions correctly and obtained (-6). How many questions were answered incorrectly by them.d.
Asked by nabamallikasaikia346 | 11 Apr, 2024, 08:45: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
write a pair of negative integers whose difference gives 8
Asked by bpadhee | 08 Apr, 2024, 08:51: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
verify a×(b×c)=(a×b)×c when a = 12 , b =-10 and c = - 5
Asked by nutansharma22011 | 08 Apr, 2024, 06:13: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
(-25)×7
Asked by narendrasgl222 | 07 Apr, 2024, 02:11: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
p=250000,R=10p.c.p.a.,T=5years,I=?
question image
Asked by kumbharbabu63 | 06 Apr, 2024, 12:08: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×