The diagram shows a circle with centre O. A, B, C and D lie on the circumference of the circle.

A, X and D lie on a straight line segment.

B, X and C lie on a straight line segment.

Given that ∠ACX = 56° and ∠DXB = 76°, work out ∠XBD as highlighted in the diagram.

10 cm

step-by-step explanation:

if the polygon is a rectangle, then the perimeter is x+x+y+y. using the values that you gave, the perimeter is 3+3+2+2=10cm.

1. 8

2. 9

3. 20

4. 3

5. 17

6. 2.2

7. 11.25

8. 1

9. 14

10. 2

step-by-step explanation:

thats the first half

36 girls

step-by-step explanation:

the 48 boys is 4 parts of the ratio

divide 48 by 4 to obtain one part of the ratio

= 12 ← 1 part of the ratio

3 parts = 3 × 12 = 36 ← number of girls