pleasehelpme71
02.07.2020 •
Mathematics
5.
Statements
Reasons
Given
AC bisects ZBCD
8
DC I AD
Given
Given:
ВСІ АВ
Given
AC bisects ZBCD
DC 1 AD
BC 1 AB
Right angles are:
Prove:
AC = AC
BC=DC
I
Solved
Show answers
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Ответ:
Step-by-step explanation:
Given: AC is a bisector of ∠BCD
DC ⊥ AD
BC ⊥ AB
To prove : BC ≅ Dc
Statements Reasons
1). AC bisects ∠BCD 1). Given
2)∠ACB ≅ ∠ACD 2). AC is a bisector of ∠BCD
3). DC ⊥ AD 3). Given
4). m∠ADC = 90° 4). DC is perpendicular to AD
5). BC ⊥ AB 5). Given
6). m∠ABC = 90° 6). BC is perpendicular to AB
7). ∠ABC ≅ ∠ADC 7). Right angles are congruent
8). AC ≅ AC 8). Reflexive property
9). ΔABC ≅ ΔADC 9). AL property of congruence
10). BC ≅ DC 10). CPCTC
Ответ:
0.3
Step-by-step explanation:
1.5/5.0= 0.3