Requirimiento de matematicas cideb

28/2/2012

CIDEB

MATHEMATICS II REQUIREMENT

Name:__________________________ Group:_____

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Approved by Math Academy Units 1 and 2 Plane Geometry Elaborated by: Luis Garza(Mathematics Coordinator)

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Approved by Math Academy Units 1 and 2 Plane Geometry Elaborated by: Luis Garza (Mathematics Coordinator)

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6. Define with your own words theseconcepts 1. Point: 2. Line: 3. Plane 4. Angle 5. Adjacent angle 7. Named each angle according its measures.

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7. _______________

8. _______________

9. _______________

Approved by MathAcademy Units 1 and 2 Plane Geometry Elaborated by: Luis Garza (Mathematics Coordinator)

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10. _______________

11. _______________

_______________

8. Prove by the congruence criterionif the next figures are congruent. In the next figure, and are bisected at C. Demonstration:

D

E

C

A

B
Criterion :______________________(SAS, ASA, SSS)

9. If a regular polygon has11 sides, find the following: a) Name:____________________ b) Sum of interior angles:_______________ c) Measure of exterior angle:_____________ d) Number of sides:________ e) Sum of exteriorangles:_________ f) Measure of an interior angle:_________ g) Number of diagonals per vertex:________ h) Total number of diagonals:_________

Approved by Math Academy Units 1 and 2 Plane Geometry Elaboratedby: Luis Garza (Mathematics Coordinator)

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10. Identify on the following polygon the centers of the triangle. Give definition of each one.

a) Orthocenter: b) Circumcenter: c)Barycenter: d) In center:

11. Use the following circle and find the central angle.

Find angle β is central angle =_____________º if α is 65º 12. Find the area of an equlateral triangle whose perimeter is60 m.(Sketch a diagram)

13. Use Heron’s formula to determine the area of a triangle

where p is half the perimeter,

Approved by Math Academy Units 1 and 2 Plane Geometry Elaborated by: Luis...