Calculating angles around a point 1 Work out the sizes of the unknown angles. a) c) a = ° c = ° b) d) b = ° d = ° 2 Ron turns clockwise through 110 degrees. He continues to turn the same way. He wants to turn to where he was facing at the start. How many more degrees does he need to turn through? ° 3 Work out the size of the unknown angles. a) c) w = ° y = ° b) d) x = ° z = ° 4 Work out the sizes of the unknown angles. a) b) m = ° n = ° © White Rose Maths 2020 60° a 170° 205° b d 110° ? 145° 70° 240° 265° w x y z 130° m 70° n 175° 79° 129° c
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Calculating angles around a point
1 Workoutthesizesoftheunknownangles.
a) c)
a= ° c= °
b) d)
b= ° d= °
2 Ronturnsclockwisethrough110degrees.
Hecontinuestoturnthesameway.
Hewantstoturntowherehe
wasfacingatthestart.
Howmanymoredegreesdoeshe
needtoturnthrough?
°
3 Workoutthesizeoftheunknownangles.
a) c)
w= ° y= °
b) d)
x= ° z= °
4 Workoutthesizesoftheunknownangles.
a) b)
m= ° n= °
©WhiteRoseMaths2020
60°
a
170°
205°bd
110°
?
145°
70°
240°
265°
w
x
y
z
130°m
70°
n
175°79°
129°
c
©WhiteRoseMaths2020
5 MsHallasksherclasstodrawanangleof250degrees.
a) ExplainwhyAlexiscorrect.
b) Drawanangleof250degrees.
Comparemethodswithapartner.
6 Workoutthesizeofangley.
y = °
7 Workoutthesizesoftheunknownangles.
Givereasonstosupportyouranswers.
a)
b= °because________________
_______________________________________
b)
c= °because________________
_______________________________________
8 Acircleisdividedintotenequalsections.
Whatisthesizeoftheanglemarkedg? g= °
b
My protractor only goesup to 180 degrees.
That’s true. But I think we can still use it.
y48°
190°
65°
bb
ccc231°
g
Amir
Alex
Related Documents
