Answer:
Step-by-step explanation:
Given: ΔDFE is isosceles with base FE; FB ≅ EC.
To prove: ΔDFB ≅ ΔDEC
Proof: It is given that ΔDFE is isosceles with base FE; FB ≅ EC, thus
From ΔDFB and ΔDEC, we have
FB≅EC (Given)
DF≅DE (Definition of isosceles triangle)
∠DFE≅∠DEF⇒∠DFB≅DEC (because DF≅DE, therefore base angles are equal)
Thus, by SAS rule,
ΔDFB ≅ ΔDEC
Statements Reasons
1. FB≅EC (Given)
2. DF≅DE (Definition of isosceles triangle)
3.∠DFE≅∠DEF
⇒∠DFB≅DEC (because DF≅DE, therefore base angles are equal)
4. ΔDFB ≅ ΔDEC SAS rule
Answer:
3/12 for red
4/12 for blue
Step-by-step explanation:
3 is red
5 is green
4 is blue
3 + 5 + 4 is 12 so it is out of 12 altogether
3/12 for red
4/12 for blue
True,
considering the definition of slope is "rise over run"
the rise would be infinite whereas the run would be zero
so the result would be infinity over zero.
problem is, you cant multiply by infinity nor can you divide by zero, hence its undefined