Chinyamabille Chinyamabille

03-03-2021
Mathematics

contestada

PN is an altitude of triangle PQR. If PN=24cm and PQ=PR=25cm. Find QR

Respuesta :

thebecks thebecks

03-03-2021

Answer:

QR = 14 cm

Step-by-step explanation:

using the Pythagorean theorem:

25^2 - 24^2 = RN^2

625 - 576 = 49

RN = 7

NQ = RN

QR = RN+NQ

QR = 7 + 7 = 14 cm

Answer Link

Otras preguntas

What number completes the following equation 8x(40+7=(8x blank)+(8x7)

What is the answer??

what was Hammurabi purpose for writing the code of Hammurabi

Complete the point-slope equation of the line through (6,4)(6,4) and (7,2)(7,2)

Plz help, I promise I will give brainliest

Combine the like terms to create an equivalent expression 3z+2+(-5z)+6

which best describes the significance of the magna carter

Who invented first telephone

Which of the following does not describe how the branches of Florida’s government are divided? A: The legislators are representatives and senators. B: The atto

Determine which sides of quadrilateral ABCD must be parallel. If angle A is 72 degrees, angle B is 108 degrees, angle C is 72 degrees and angle D is 108 degrees