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Mathematics 7 Online
Noodlearms:

What is the value of x? (image below)

Noodlearms:

1 attachment
jojo7373:

what kind of angle do u see

Noodlearms:

Do I add the angles I see there? I have no idea how to do it.

jojo7373:

no

jojo7373:

all u have to do is find the angle of the angle x

carmelle:

Remember that: `All triangle angles add up to 180 degrees` So first, you add the angles you already know then subtract 180... 70 + 30 = ? 180 - ? = x do you understand?

jojo7373:

bru

Noodlearms:

I got 80

carmelle:

@jojo7373 wrote:
the answer is 90
no its not?

jojo7373:

yes it is

Noodlearms:

@carmelle wrote:
Remember that: `All triangle angles add up to 180 degrees` So first, you add the angles you already know then subtract 180... 70 + 30 = ? 180 - ? = x do you understand?
Thank you! That is extremely helpful.

carmelle:

@noodlearms wrote:
I got 80
yep, thats correct, the angle is 80ยบ

Noodlearms:

Thank you so much!

carmelle:

You're welcome! :D

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