Pythagoras - Corbettmaths · Pythagoras Videos 257, 260, 261 on Question 7: Work out if each triangle below is right angled or not. The triangles are not drawn accurately.
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!Pythagoras
Videos257,260,261onwww.corbettmaths.com
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Question1: Foreachrightangletrianglebelow,workoutx
(a) (b) (c)
Question2: Calculatex Giveeachanswerto2decimalplaces.
(a) (b) (c)
(d) (e) (f)
Question3: Calculatex Includesuitableunitsandgiveeachanswerto1decimalplace.
(a) (b) (c)
Question4: Foreachrightangletrianglebelow,workoutx(a) (b) (c)
Workout
© CORBETTMATHS 2016
� �
!Pythagoras
Videos257,260,261onwww.corbettmaths.com
Question5: Calculatex Giveeachanswerto2decimalplaces.(a) (b) (c)
(d) (e) (f)
Question6: Calculatexforeachrightangletriangle. Giveeachanswerto2decimalplaces.(a) (b) (c)
(d) (e) (f)
(g) (h) (i)
(j) (k) (l)
© CORBETTMATHS 2016
� �
!Pythagoras
Videos257,260,261onwww.corbettmaths.com
Question7: Workoutifeachtrianglebelowisrightangledornot. Thetrianglesarenotdrawnaccurately.
(a) (b) (c)
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Question1: A9mladderisplacedagainstawall. Thefootoftheladderis1.5mfromthefootofthewall. Howfarupthewalldoestheladderreach?
Question2: Shownisasquarewithsidelength5cm. Findthelengthofthediagonal,x.
Question3: Shownisarightangletriangle. Calculate:
(a)theperimeterofthetriangle. (b)theareaofthetriangle.
Question4: Arectangleis20cmlongand8cmwide. Findthelengthofthediagonaloftherectangle.
Question5: AnairplaneisXlyingfromRedvilletoLeek. TheairplaneXlies50milesEastandthen180milesSouth. HowfarisLeekfromRedvilledirectly?
Question6: Aframeismadefromwire. Theframeisatrapezium Calculatethetotalamountofwireneededtomake theframe.
Giveyouranswerto1decimalplace.
Apply
© CORBETTMATHS 2016
� �
!Pythagoras
Videos257,260,261onwww.corbettmaths.com
Question7: ABCisanisoscelestriangle. (a)Findh.
(b)Findtheareaofthetriangle.
Question8: Shownisanequilateraltriangle.
Findtheareaoftheequilateraltriangle.
Question9: Stanleyhasdrawnarightangletriangle. Onesideis14cmandanotheris18cm. Therearetwopossiblelengthsforthethirdside. Whatarethey?
Question10: ABCandBCDarerightangletriangles. FindthelengthofAB
Question11: AwoodenXlagpoleis25foottall. Inastorm,theXlagpoleisbrokenanditstop touchestheground5footfromthebase.
FindthelengthsofthesegmentsoftheXlagpole.
Question12: Benjaminhascompletedthisquestion. Canyouspotanymistakes?
© CORBETTMATHS 2016
� �
!Pythagoras
Videos257,260,261onwww.corbettmaths.com
Question13: Chantellehascompletedthisquestion. Canyouspotanymistakes?
Question14:Victorhascompletedthisquestion. Canyouspotanymistakes?
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