jackfromsans jackfromsans

02-10-2021
Mathematics

contestada

in a triangle PQR, right angled at Q, PQ=20cm, QR=15cm. find the PR

Respuesta :

jfairead jfairead

02-10-2021

Answer:

25 cm

Step-by-step explanation:

Pythagorean theorem: A^2 + B^2 = C^2

15^2 + 20^2 = C^2

C = sqrt 625

C = 25

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