All lengths on the diagram are in centimetres.
更新1:
With working out please
Find the value of t?
2015-11-26 10:50 pm
The perimeter of this triangle is 19 cm.
All lengths on the diagram are in centimetres.
All lengths on the diagram are in centimetres.
回答 (2)
2015-11-26 11:40 pm
3t+6 = 19
t = 13/3 cm
t = 13/3 cm
2015-11-26 10:53 pm
t + 4 + t + 3 + t - 1 = 19
3t = 19 - 4 - 3 + 1
3t = 13
t = 13/3
3t = 19 - 4 - 3 + 1
3t = 13
t = 13/3
收錄日期: 2021-04-21 15:31:07
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