
trapezul
Presentation
•
Mathematics
•
7th Grade
•
Practice Problem
•
Easy
Claudia Ispas
Used 217+ times
FREE Resource
6 Slides • 7 Questions
1
Trapezul
proprietăți
2
ABCD trapez
AB//DC AC∩BD={O} ∠A+∠D=∠B+∠C=180°
3
Trapezul dreptunghic
- AB∥DC
AD⊥AB, AD⊥CD
4
Trapezul isoscel
∠A=∠B
∠B=∠D
AC≡BD
AO≡BO
DO≡CO
AD≡BC
5
Multiple Choice
Dacă într-un trapez diagonalele sunt congruente, atunci el se numește trapez......................
isoscel
dreptunghic
oarecare
echilateral
6
Multiple Choice
Trapezul cu una dintre laturile neparalele perpendiculară pe baze se numește trapez .....
isoscel
dreptunghic
oarecare
echilateral
7
Linia mijlocie
M mijlocul [AD]
N mijlocul [BC]
=>MN linie mijlocie a trapezului
MN∥AB∥CD
MN=2(AB+DC)=2(b+B)
8
ABCD trapez
MN linie mijlocie
AB=6 cm
BC=10 cm
MN=2AB+BC=26+10=
=216=8 cm
9
Multiple Choice
Într-un trapez lungimile bazelor sunt egale cu 14cm și, respectiv, 8cm. Lungimea liniei mijlocii a trapezului este ..............
22
11
6
44
10
Multiple Choice
Intr-un trapez lungimile baselor sunt egale cu 6 cm respectiv 10 cm. Lungimea liniei mijlocii a trapezului este...
4
6
8
10
11
Fill in the Blanks
Type answer...
12
Fill in the Blanks
Type answer...
13
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