Find the value of x. please tell fast plz​

a) x=60°, 2x=120°

b) x=36°

Step-by-step explanation:

Step-by-step explanation:

In fig. a,

x+2x=180°

3x=180°

x=60°

In fig.b,

36°=× because vertically opposite angles are equal

HOPE IT HELPS YOU

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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answer: 75°

step-by-step explanation:

∠esk is the supplement of ∠edk, so is 100°. ∠esd = 1/2·arc ed, so is 25°.

since ∠esk = ∠esd + ∠dsk

you have 100° = 25° + ∠dsk . .

fill in known values 75° = ∠dsk . . . . .

subtract 25°

step-by-step explanation: