Answer: Or 1
Step-By-Step Explanation:
Additional Answers:
<em>
Area: T = 4.5
</em>
<em>
Perimeter: p = 10.24
</em>
<em>
Semiperimeter: s = 5.12
</em>
<em>
</em>
<em>Angle ∠ A = α = 89.929° = 89°55'43″ = 1.57 rad
</em>
<em>
Angle ∠ B = β = 45.036° = 45°2'8″ = 0.786 rad
</em>
<em>
Angle ∠ C = γ = 45.036° = 45°2'8″ = 0.786 rad
</em>
<em>
</em>
<em>
Height: ha = 2.123
</em>
<em>Height: hb = 3
</em>
<em>
Height: hc = 3
</em>
<em>
</em>
<em>Median: ma = 2.123
</em>
<em>
Median: mb = 3.352
</em>
<em>
Median: mc = 3.352
</em>
<em>
</em>
<em>Inradius: r = 0.879
</em>
<em>
Circumradius: R = 2.12
</em>
<em>
</em>
<em>Vertex coordinates: A[3; 0] B[0; 0] C[2.996; 3]
</em>
<em>
Centroid: CG[1.999; 1]
</em>
<em>
</em>
<em>Coordinates of the circumscribed circle: U[1.5; 1.498]
</em>
<em>Coordinates of the inscribed circle: I[2.12; 0.879]
</em>
<em>
</em>
<em>Exterior(or external, outer) angles of the triangle:
</em>
<em>
∠ A' = α' = 90.071° = 90°4'17″ = 1.57 rad
</em>
<em>
∠ B' = β' = 134.964° = 134°57'52″ = 0.786 rad
</em>
<em>
∠ C' = γ' = 134.964° = 134°57'52″ = 0.786 rad</em>