Math, asked by Kkrish2004, 1 year ago

In triangle PQR seg PM =9 and PQ square + PR square=290 Find the length of QR

Answers

Answered by kunwarshivani13

25

Answer:

Step-by-step explanation:(PQ) square + (PR) square = 2(PM)square+2(QM)square

= 290 = 2(9*9)+2(QM) square

= 290 = 162+2(QM)square

=290-162 = 2(QM) square

= 128 = 2(QM) square

= 128/2 2(QM)square

= 64 =2(QM)sqaure

=QM = 8

QR = 2(QM) = 2*8= 16

Previous Question

Next Question

Similar questions

Psychology, 6 months ago

help you in tasks 1 point like browse, search, arrange, find information etc.* O (a). File management tools O (b). Compression tools O (c). Disk management tools O (d). Utilities...

Math, 6 months ago

please don't write wrong answer and reply fast...

History, 6 months ago

2.............. wrote two volumes on Indian history which show somewhat impartial treatment of the subject.

Math, 1 year ago

A circle with centre P is inscribed in ∆ABC .Side AB,BC AC touch the circle at points L,M,N respectively.Radius of circle is r.Prove that, A(∆ABC)=1/2(AB+BC+AC)r...

Physics, 1 year ago

A person is unable to see objects distinctly placed with in 50 cm from his eye. (a) name the defect of vision the person is suffering from and list its two possible causes...

Math, 1 year ago

two adjacent sides of a rectangle are 3 x square -5 y square and 7 x square - xy . find its perimeter...

Chemistry, 1 year ago

volume occupied by one molecule of water (density=1g cm^-3)...

Math, 1 year ago

SecA =5/4 then tanA/1+tanA.tanA...