A, B, C and D are points on the circumference of a circle, centre O. ED is a tangent to the circle.
E
Angle ODB = 25°
Work out angle BAD.
You must give a reason for each stage
of your working.
cyclic quadrilateral
BAD=15°
+
25
D
B В
Total marks: 4

Two rigid transformations are used to map abc to qrs. the first is a translation of vertex b to vertex r. what is the second transformation? a reflection across the line containing ab a rotation about point b a reflection across the line containing cb a rotation about point c

What are the domain and range of the function f(x)=2^x+1

4. bob solved the inequality problem below incorrectly. explain his error and redo the problem showing the correct answer. −2x + 5 < 17 −2x + 5-5 < 17-5 -2x/-2 < 12/-2 x < -6