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vladimir1956 [14]
3 years ago
9

What are the three undifined terms in geometry

Mathematics
1 answer:
Whitepunk [10]3 years ago
8 0

Three undefined terms in geometry are

1 - Point

A point has no measurement or genuine size. A point is usually named with a capital letter. In the coordinate plane, a point is represented by (x,y).

2 - Line

A line has no thickness and its length extends in one measurement and goes on in both directions forever. A line is named by a single lowercase letter or by any two points on the line.

3 - Plane

A plane has no thickness and it extends indefinitely in all directions. A plane is named by a single letter (plane x) or by three non-collinear points (plane XYZ).


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Δ MAL and Δ DLA are right triangles. If Δ MAL ≅ ΔDLA, then side DL is congruent to side MA, and ∠ MAL is congruent to ∠ DLA. Giv
nevsk [136]

Answer:

See below.

Step-by-step explanation:

<u>Given</u> :

  1. ΔMAL ≅ ΔDLA, DL = MA, ∠MAL = ∠DLA
  2. ∠M = 30°
  3. DL = (2x + 10) cm
  4. MA = (3x - 2) cm
  5. AL = (x + 5) cm

<u>To Find</u> :

  1. DL
  2. AL
  3. ∠DLA
  4. ∠ADL

<u>Solving</u> :

  • DL = MA
  • 2x + 10 = 3x - 2
  • x = 12
  • <u>DL = 24 + 10 = 34 cm</u>

  • AL = x + 5
  • AL = 12 + 5
  • <u>AL = 17 cm</u>

  • ∠DLA = 180° - 90° - 30° = 180° - 120° = <u>60°</u>

  • ∠ADL = ∠M = <u>30°</u>
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2 years ago
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den301095 [7]

Answer:

identity

Step-by-step explanation:

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