Mathematics, 12.02.2021 23:00 sabrinamarie391
Construcción de desarrollos planos de conos y cilindros rectos
En equipos de tres alumnos resuelvan los siguientes problemas.
1. Para una exposición escolar se debe construir un modelo de cartón de una bateria cuyas
dimensiones sean del doble que la original (figura 8).
4.5 cm
0 2.5 cm
Figura 8
a) ¿Cuánto debe medir la altura del modelo de cartón?
b) ¿Cuánto tiene que medir el radio de la base?
cDibuien en una hoia blanca su pronuesta de desarrollo na​
Answers: 2
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In δabc shown below, ∠bac is congruent to ∠bca: triangle abc, where angles a and c are congruent given: base ∠bac and ∠acb are congruent. prove: δabc is an isosceles triangle. when completed (fill in the blanks), the following paragraph proves that line segment ab is congruent to line segment bc making δabc an isosceles triangle. (4 points) construct a perpendicular bisector from point b to line segment ac . label the point of intersection between this perpendicular bisector and line segment ac as point d: m∠bda and m∠bdc is 90° by the definition of a perpendicular bisector. ∠bda is congruent to ∠bdc by the definition of congruent angles. line segment ad is congruent to line segment dc by by the definition of a perpendicular bisector. δbad is congruent to δbcd by the line segment ab is congruent to line segment bc because consequently, δabc is isosceles by definition of an isosceles triangle. 1. corresponding parts of congruent triangles are congruent (cpctc) 2. the definition of a perpendicular bisector 1. the definition of a perpendicular bisector 2. the definition of congruent angles 1. the definition of congruent angles 2. the definition of a perpendicular bisector 1. angle-side-angle (asa) postulate 2. corresponding parts of congruent triangles are congruent (cpctc)
Answers: 1
Construcción de desarrollos planos de conos y cilindros rectos
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