Q22.

The pie chart shows information about the grades achieved by all of the candidates in Keval's school who took AS Level English in 2015.

8 candidates achieved grade C.

(b) Work out the number of candidates in Keval's school who achieved grade A in AS Level English in 2015

14

Step-by-step explanation:

72° = 8persons

360° =???

Total number of candidates in kevals sch = 40

Number that achieved grade A is

360° = 40persons

126° =???

the correct option is 2.

step-by-step explanation:

according to the given information triangle abc is a right angle triangle with right angle at a. segment ab is 5 and segment ac is 7. point d is on segment bc and angles adb and adc are right angles.

it is given that triangles abd, cad, and cba are similar.

two triangles are similar if their corresponding sides are proportional.

in triangle cba, using pythagoras theorem

                      )

triangle abd and cba are similar,

                            (2)

triangle cad and cba are similar,

                      )

using (1), (2) and (3), we get

hence proved.

therefore option 2 is correct.

step-by-step explanation: 4 cause 2+2=4