As shown in the figure, in rectangular ABCD, the diagonal lines AC and BD intersect at point O, AE bisects ∠ bad, BC intersects at point E. if ∠ CAE = 15 °, calculate the degree of ∠ BOE

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• 1. As shown in the figure, in rectangular ABCD, the bisector of ∠ bad intersects BC at point E, and point O is the intersection of diagonals, and ∠ CAE = 15 °, then ∠ BOE=______ Degree
• 2. It is known that: as shown in the figure, the diagonal of rectangle ABCD intersects at O, AE bisects ∠ bad intersects BC at e, ∠ CAE = 15 °, then ∠ BOE=______ °．
• 3. As shown in the figure: given rectangular ABCD, AC and BD intersect at O, AE ‖ BD, de ‖ AC. verification: OE ⊥ ad
• 4. In rectangular ABCD, AC and BD intersect at point O, AE bisects the angle bad, and if the angle EAO = 15 °, calculate the degree of the angle BOE I can't give you a picture
• 5. In rectangular ABCD, diagonal lines AC and BD intersect at point O, AE bisects ∠ bad, AE intersects BC at point E. if ∠ CAE = 15 °, what is the degree of ∠ BOE?
• 6. As shown in the figure, in rectangular ABCD, AC and BD intersect at point O, AE bisects ∠ bad, BC intersects at E. if ∠ EAO = 15 °, then the degree of ∠ BOE is______ Degree
• 7. In rectangle ABCD, AC BD intersects with 0 AE bisector angle bad if ∠ EAO equals 15 degrees and BOE equals 15 degrees=
• 8. As shown in the figure, in rectangular ABCD, AC and BD intersect at point O, AE bisects ∠ bad, BC intersects at E. if ∠ EAO = 15 °, then the degree of ∠ BOE is______ Degree
• 9. As shown in the figure, if the diagonals of rectangle ABCD intersect at point O, AE bisector angle bad intersects BC at e, and angle CAE = 15 degrees, then the angle BOE=
• 10. As shown in the figure, in the rectangle ABCD, the diagonal AC and BD intersect at the point O. is there a circle so that all four points of ABCD are on the circle? If there is one Please point out the center and radius of this circle. If it doesn't exist, explain why
• 11. As shown in the figure, in the square ABCD, the diagonal AC and BD intersect at point E, AF bisects ∠ BAC, intersects BD at point F, and proves: EF + 12ac = ab
• 12. As shown in the figure, in the right angle trapezoid ABCD, ad ‖ BC, ∠ C = 90 °, ad = 5, BC = 9, take a as the center, rotate waist AB clockwise 90 ° to AE, connect De, then the area of △ ade is equal to () A. 10B. 11C. 12D. 13
• 13. As shown in the figure, in the isosceles trapezoid ABCD, ad ∥ BC, point E is the midpoint of BC side
• 14. As shown in the figure, in isosceles trapezoid ABCD, ad ‖ BC. AB = DC, e is the midpoint of BC, connecting AE and De, proving: AE = De
• 15. As shown in the figure, in the isosceles trapezoid ABCD, e is the midpoint of the bottom BC, connecting AE and de
• 16. As shown in the figure, in the isosceles trapezoid ABCD, e is the midpoint of the bottom BC, connecting AE and de
• 17. Given that the quadrilateral ABCD is a square and E is a point in the square, △ ade is an equilateral triangle, find the degree of ∠ EBC
• 18. Taking one side CD of square ABCD as equilateral triangle CDE, then ∠ AEB=-----
• 19. As shown in the figure, if the quadrilateral ABCD is a square and △ CDE is an equilateral triangle, then ∠ AED=______ ，∠AEB=______ ．
• 20. Quadrilateral ABCD is a square, triangle CDE is an equilateral triangle. Find the degree of angle AEB I can't send the picture, but describe it. A square (adce in clockwise) is connected with an equilateral triangle Dec on the left