help

[dark girder]

i dont even know where to start

[median lichen]

it says the height is twice the base

so lets say the base is x

the height would be 2x

[dark girder]

yh

[median lichen]

wait is there a previous question or somn

[dark girder]

thats it

[median lichen]

wait nvm

so basically you work out the area using the expressions i said

so the area is x^2?

[dark girder]

thats what the mark scheme says yh

i dont get that

[median lichen]

2x times x

divide by 2

[dark girder]

OH

[median lichen]

cuz height is 2x and base is x?

[dark girder]

yhyh

[median lichen]

safe so now x^2 = 20

so using ur calculator u work out x

after you've worked out x u just use substitute it into the base and height and then use pythagoras' theorem to work out the hypotenuse
then u add them all up

[dark girder]

how

😭

wait so

x = root20