ljebwjebrljeb ljebwjebrljeb

08-02-2021
Mathematics

contestada

A ladder is 12 metres long . It leans against a wall with one end on the ground 7 metres from the wall. The other end just reaches a windowsill. Calculate the height of the windowsill above the ground.

i need an explanation please...

Respuesta :

thebecks thebecks

08-02-2021

Answer:

window sill height =9.75 meters

Step-by-step explanation:

Ladder^2=height^2+length^2

12^2=height^2+7^2

144=height^2+49

height^2=144-49=95

height=9.75

Answer Link

Otras preguntas

On a coordinate plane, a solid straight line has a positive slope and goes through (negative 4, 1) and (0, 3). Everything below and to the right of the line is

what are nutrients? What happens if you don't get nutrients?

Question 1 with 2 blanks¿Qué lenguas hablan los mexicanos? Los mexicanos hablan , y otras lenguas indígenas. Question 2 with 1 blank¿Cómo es la población del D.

The following questions are concerned with scenarios when conventional monetary policy is ineffective – typically during and in the wake of crisisA) When the ce

In a made-for-TV movie you are watching, a woman hears the voices of angels every night before she falls asleep and at other times imagines herself to be the de

factor the expression 9x^2-1

Which is NOT one of the 2ways that a graph shows aproportional relationship.AThe line is a straight line.BThe line goes through the origin (0,0)C All of the plo

Suppose a researcher examined a relationship between taking aspirin every day (yes/no) and the incidence of a heart attack (yes/no). The sample data showed that

Sonya is the database administrator for RedTriangle media. She is responsible for validating the data model to be used by the DBMS, and specifying the database

CALLING ALL MATH GENIUS!!! Help! Please!