The measure of angle 1 is (3x + 10)° and the measure of angle 4 is (4x – 15)°.

vertical and parallel lines c, d, and e are cut by diagonal transversal a. on line c where it intersects with line a, 4 angles are created. labeled clockwise, from uppercase left, the angles are: 2, 4, 3, 1. on line b where it intersects with line a, 4 angles are created. labeled clockwise, from uppercase left, the angles are: 6, 8, 7, 5.
what is the measure of angle 7?

°

3x + 18 = 147°

step-by-step explanation:

3x + 18 = 147°, because the value of the central angle is equal to the value of the arc formed by it.

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answ5

step-by-step explanation:

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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: