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doggosbepis
11.03.2021 •
Mathematics
Coupowy Dw
11. Fill in the missing statements and reasons in the
proof
Given: AB * DB and EB - CB
Prove: 2D - ZA
E
А
Statements
Reasons
ABS
DB
1. EB. CB
1.
2. ZABC - ZDBE
2.
3.
3. Side-angle-side postulate
4.
4. CPCTC (Corresponding
parts of congruent triangles
are congruent.)
Solved
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Ответ:
80 cm2
Step-by-step explanation:
rect: 60 cm2
2 triangles: 20 cm2