can you please help me with this

1 1 5. Construct a triangle ABC in PC with the angles Tt/4, 1/4 and 1/4. Select the center of the circle cas one of the corners (A) so that two surveyors go along diameters. Thus, the third geodetic remains, which must be an arc of a circle. Let the corner Blie on the x-axis with the coordinate b. We set r = 1 and then the inverted point has x = 1/b. The arc of the circle must therefore intersect the two diameters at an angle vrt/4. Find an equation for band solve it. That tan 1/8 = 2 - 1 can be used. Tip: Focus on the center of the desired arc. you get the x-coordinate from the requirement that the circle should be orthogonal to c. The y-coordinate you get from the requirement that the circle should go through B and the angle between the tangent and the x-axis should be rt/ 4 there. Since the angle should be T/4 even at Cwe have a line of symmetry. The desired triangle is an isosceles hyperbolic triangle with an angle sum of 31/4. 1 1 5. Construct a triangle ABC in PC with the angles Tt/4, 1/4 and 1/4. Select the center of the circle cas one of the corners (A) so that two surveyors go along diameters. Thus, the third geodetic remains, which must be an arc of a circle. Let the corner Blie on the x-axis with the coordinate b. We set r = 1 and then the inverted point has x = 1/b. The arc of the circle must therefore intersect the two diameters at an angle vrt/4. Find an equation for band solve it. That tan 1/8 = 2 - 1 can be used. Tip: Focus on the center of the desired arc. you get the x-coordinate from the requirement that the circle should be orthogonal to c. The y-coordinate you get from the requirement that the circle should go through B and the angle between the tangent and the x-axis should be rt/ 4 there. Since the angle should be T/4 even at Cwe have a line of symmetry. The desired triangle is an isosceles hyperbolic triangle with an angle sum of 31/4