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

macrophage-derived cxcl9 and cxcl10 are required for antitumor immune responses following immune checkpoint blockade

2. Read the second paragraph from "Money to Us Is of No Value." We know that these settlers are poor, or they would never have ventured to live in a country wh

How is energy involved in the formation of a covalent bond?

classify each cost and its amount as either product or period. the first cost is completed as an example.

need help asap please

100 point need the right answer plxx Calculate (3.012 x 10−8) + (4 x 10−8). 3.016 x 10−16 7.012 x 10−16 7.012 x 10−8 7.012 x 20−8

The invasion of Normandy was a victory for the German army. Axis forces. the Japanese navy. Allied forces.

the goal of thermoregulation is to maintain the core temperature of the body steady at around .

Read the excerpt from The Crisis, Number I, by Thomas Paine. "Britain, with an army to enforce her tyranny, has declared that she has a right (not only to TAX)

benefits of the articles of confederation did not include . group of answer choices equal representation among the states a quick legislative process local demo