Math, asked by ps6988119, 17 days ago

Pls answer these questions pls​

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Answers

Answered by varun7705
1
1. is congruent
2. 90degree
3. the perimeter
4. 20degree
5.
Answered by sakshusuhani114
1

Answer:

  1. equilateral
  2. 90
  3. perimeter
  4. as we know sum of angles of equilateral triangles is 180

so,180=90+70+p

180=160+p

180-160=p

so,p=20

5.now both triangles are equal so,

AB=PQ=4

BC=QR=3

by Pythagoras theorem

(ab) {}^{2}  + (bc) {}^{2}  = (ac) {}^{2} \\ (pq) {}^{2} + (qr) {}^{2}  = (pr) {}^{2}   \\

4 {}^{2}  + 3 {}^{2}  = (pr) {}^{2}  \\ 16 + 9 = (pr) {}^{2}  \\ 25 = (pr) {}^{2}  \\ pr =  \sqrt{25}  \\ pr = 5

Step-by-step explanation:

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