Asked by adebisi adewumi j
a plane flies northwards for 430km.if the plane flies eastward for 380km.how far is it from its starting point(ignore its height above the ground)
Answers
Answered by
Ms. Sue
430^2 + 380^2 = x^2
Answered by
John Lee
Square root everything:
430+380=x
810=x
430+380=x
810=x
Answered by
Ms. Sue
John Lee is wrong.
184,900 + 114,400 = x^2
329,300 = x^2
573.8 = x
184,900 + 114,400 = x^2
329,300 = x^2
573.8 = x
Answered by
Victor
Ms.Sue there is a little error in your calculations.
Square everything on left hand side :
430^2 + 380^2 = x^2
= 184,900 + 144,400 = x^2
Add up left hand side
= 329,300 = x^2
Square both side
573.8 = x
x = 574km
Square everything on left hand side :
430^2 + 380^2 = x^2
= 184,900 + 144,400 = x^2
Add up left hand side
= 329,300 = x^2
Square both side
573.8 = x
x = 574km
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