Q) Find the missing angle inside the quadrilaterals please do it like this

Example : 1) sum of angle quadrilateral = 360°

sum of given angles in a quadrilateral = 31°+72°+45°=148

There for missing angle x =360

- 148

= 212

What was the legacy of the Berlin blockade?

Step-by-step explanation:

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b. x- 48 =120

step-by-step explanation:

b) 1/3 * 1/5

step-by-step explanation:

each smallest part is 1/15 since the written one is 1/5 and it's divided by 3 equal parts. (1/5 )/3 = 1/15 = 1/3 * 1/5