Ons Work out the angle x, Give your answers to the nearest whole number,
ABC is an isosceles
ABCD is a rectangle, ABC is a right-angled triangle,
triangle, with AB = AC.
D lies on BC, and DC = DB,
BC = 21 cm
А A
B
А A
X
С
14 cm
19 cm
+
X
B
С
С
А A
D
10 cm
29 cm
16 cm
X
Mark it

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236