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7.2 作三角形的内切圆
Author:
郑凯耀
,
Nenad Đapić
Konstruisati upisanu kružnicu u dati trougao ABC.
GeoGebra
Centar upisane kružnice je u preseku simetrala uglova trougla. Zašto se simetrale uglova seku u jednoj tački? Kako konstruisati poluprečnik upisane kružnice?
New Resources
Construct a Conic
Parallelograms: Quick Investigation
Blancmange curve (fractal)
alg2_05_05_04_applet_exp_fxn_flvs
Poorly Drawn Parallelograms 2
Discover Resources
Construct and describe a set of points
Combined Transformations
Standard Form
สามเหลี่ยมพีทาโกรัส (54กัณฐัศว์)
number 13
Discover Topics
Histogram
Pie Chart or Circle Chart
Step Functions
Distributions
Symmetry