As shown in the figure, it is known that △ ABC, P is a point on edge ab. when connecting CP, (1) ACP satisfies what conditions, △ ACP is similar to △ ABC? (2) AC: AP is full

(1) The second part of the condition ∠ ACP = ∠ B is not clear

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1. As shown in the figure, we know that in △ ABC, P is the point on AB, connecting CP, when the condition is satisfied______ When △ ACP ∽ ABC
2. Given the triangle ACP, similar to the triangle ABC, AC = 4, AP = 2, find the length of AB? (PC connected) a P B C
3. It is known that △ ABC is an equilateral triangle, P is a point in the triangle, PA = 3, Pb = 4, PC = 5
4. It is known that △ ABC is an equilateral triangle, P is a point in the triangle, PA = 3, Pb = 4, PC = 5
5. P is a point in the equilateral triangle ABC, PC = 5, PA = 3, Pb = 4, find the degree of angle APB There are only four points a, P, B, C
6. It is known that △ ABC is an equilateral triangle, P is a point in the triangle, PA = 3, Pb = 4, PC = 5
7. It is known that △ ABC is an equilateral triangle, P is a point in the triangle, PA = 3, Pb = 4, PC = 5
8. As shown in the figure, it is known that in the triangle ABC, ab = AC, ad is the height on the edge of BC, and point P is in the triangle abd
9. As shown in the figure, it is known that triangle ABC is an equilateral triangle, point P is any point on BC, and triangle AQP is also an equilateral triangle. Prove that triangle AQB ≌ triangle APC
10. As shown in the figure, BD is the height on the side of equilateral △ ABC, extend BC to e, so that CE = CD, (1) try to compare the size relationship between BD and De, and explain the reason; (2) if BD is changed to the angular bisector or median line of △ ABC, can we draw the same conclusion?
11. As shown in the figure, it is known that △ ABC, P is the point on AB, connecting CP. in the following conditions, △ ACP ∽ ABC cannot be determined as () A. ∠ACP=∠BB. ∠APC=∠ACBC. ACAP＝ABACD. ACAB＝CPBC
12. As shown in the figure, in RT △ ABC, ∠ ACB = 90 ° AB = 6, P is the point on AB, connect PC, set ∠ BCP = m ∠ ACP, when AP = 3 / 2, whether there is a positive integer m, Make PC perpendicular to ab? If it exists, calculate the value of M. if it does not exist, explain the reason
13. In the RT triangle ABC, the angle a is equal to 90 degrees and BC is equal to 4. There is a point P with an internal angle of 60 degrees, which is different from a and B on the straight line AB, and the angle ACP is equal to 30 degrees to find the length of Pb
14. In RT △ ABC, ∠ a = 90 °, BC = 4, there is an internal angle of 60 ° and point P is a point on the straight line AB which is different from a and B, and ∠ ACB = 30 °, then the length of Pb is? 3 / 4 root 3 / 8 root 3 / 4, there are three answers, but I can't do it,
15. RT △ ABC, in which the angle a is 90 ° and BC is 4, there is an internal angle of 60 ° and the point P is different from the point AB on the straight line AB, and ∠ ACP = 30 °, then the length of Pb is longer
16. It is known that in RT △ ABC, ∠ a = 90 °, AB > AC, P is a point on AB, ∠ ACP = ∠ B, AC = 6, Pb = 5, find the sine value of ∠ APC. Draw the figure yourself. Please, everyone!
17. In the plane rectangular coordinate system, the circumscribed circle of a (- 2,0), B (2,0), C (1, √ 3) triangle ABC is m, and the equation for finding the circle m is given To process... Online, etc Ellipse x2 / 4 + x2 / 2 = 1, the right focus is F. if P is any point on the circle m which is different from AB and passes through the origin, make the vertical intersection line of PF x = 2, and judge the positional relationship between PQ and circle m by Q
18. Point a (0, - 3) point (- 3,0), point C on the x-axis, if the area of triangle ABC is 15, find the coordinates of point C
19. In the plane rectangular coordinate system, point a (0,3), point B (0,2), and point C are on the x-axis. If the area of △ ABC is 15, find the area of point C Find the coordinates of point C
20. As shown in the figure, in the plane rectangular coordinate system, a (- 1,5), B (- 1,0), C (- 4,3); (1) calculate the area of △ ABC; (2) draw the figure △ a1b1c1 after △ ABC is translated one unit down and five units to the right, and write the coordinates of each vertex