gladyscasper44
17.11.2020 •
Mathematics
Determine any data values that are missing from the table, assuming that the data represent a li
function.
x
ly
7
16
17
19
18
113
a. Missing x:13
Missing y:20
b. Missing x:13
Missing y:19
c. Missing x:11
Missing y:20
d. Missing x:11
Missing y.19
Please select the best answer from the choices provided
A
Solved
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Ответ:
Ответ:
The proof is mentioned below.
Step-by-step explanation:
Here, Δ ABC is isosceles triangle.
Therefore, AB = BC
Prove: Δ ABO ≅ Δ ACO
In Δ ABO and Δ ACO,
∠ BAO ≅ ∠ CAO ( AO bisects ∠ BAC )
∠ AOB ≅ ∠ AOC ( AO is perpendicular to BC )
BO ≅ OC ( O is the mid point of BC)
Thus, By ASA postulate of congruence,
Δ ABO ≅ Δ ACO
Therefore, By CPCTC,
∠B ≅ ∠ C
Where ∠ B and ∠ C are the base angles of Δ ABC.