Ask a Doubt
Request a call back

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

ICSE Class 9 Answered

In triangle ABC, ∠B equals to 90° and D is midpoint of BC. Prove that AC 2 =AD 2 + 3 CD 2
question image
Asked by aryan2mumbai | 01 Sep, 2020, 08:29: PM
answered-by-expert Expert Answer
Answered by Yasmeen Khan | 01 Sep, 2020, 10:29: PM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
ICSE 9 - Maths
Pythagoras Theorem  How to solve the problem in the given picture?  
question image
Asked by mak121007abk | 25 Feb, 2023, 07:39: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
In triangle ABC, ∠B equals to 90° and D is midpoint of BC. Prove that AC 2 =AD 2 + 3 CD 2
question image
Asked by aryan2mumbai | 01 Sep, 2020, 08:29: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
in tringle ABC, angle B is 90 °and D is the mid point of BC . prove that  1. AC² = AD² + 3CD² 2.BC²= 4(AD² -AB²)    
Asked by kavyaraval1075.9sdatl | 08 Jun, 2020, 07:35: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
In rhombus ABCD , prove that : AB^2 + BC^2 + CD^2 + AD^2 = AD^2 + BD^2 
Asked by simranmangnani2282.9sdatl | 13 May, 2020, 02:52: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
ABC is a right angled triangle in which ∠ABC = 90° and ∠ACB = 60°. BC is produced to D such that ∠ADB = 45°. If CD = 30 cm, what are the lengths of AB and BC?
Asked by akifmohd007 | 03 Jan, 2020, 12:06: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
The sides of a right triangle containing the right angle are (5x) cm and (3x-1) cm. If the area of the triangle is 60 cm^2, calculate the length of the sides of the triangle.
Asked by kadtej83 | 24 Jan, 2019, 05:37: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
In an isoceles triangle  ABC, AB=AC and D is a point BC produced. Prove that  AD^2=AC^2 + BD * CD
Asked by bsap6777 | 28 Aug, 2018, 09:50: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
1)A man travels 7 km due north ,then goes 3km due east and the 3 km due south.how far is he from starting point  
Asked by Sunita | 09 Mar, 2018, 02:53: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
1)The length of two sides of a right angled triangle containing the right angle differ by 6cm.If the area is 36cm2 find the perimeter 2) Solve simultaneously 3/x+4y=7 5/x+6y=13  
Asked by Sunita | 09 Mar, 2018, 02:40: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
25th ques
question image
Asked by lovemaan5500 | 04 Jan, 2018, 07:29: AM
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
×