Math

QuestionIn right triangle DOG, with D=32\angle D = 32^{\circ} and OSOS bisecting DOG\angle DOG, find OSG\angle OSG. Options: a. 5858^{\circ} b. 7777^{\circ} c. 103103^{\circ} d. 122122^{\circ}

Studdy Solution

STEP 1

Assumptions1. We have a right triangle DOG. . Line segment OS bisects angle DOG.
3. The measure of angle D is given as 3232^{\circ}.
4. The sum of the interior angles of a triangle is 180180^{\circ}.
5. We are asked to find the measure of angle OSG.

STEP 2

Since OS bisects angle DOG, it means that angle DOS is equal to angle SOG. Let's denote the measure of these angles as xx. So, we haveDOS=SOG=x\angle DOS = \angle SOG = x

STEP 3

Now, we know that the sum of the angles in a triangle is 180180^{\circ}. So, in triangle DOG, we haveDOG+OGD+GDO=180\angle DOG + \angle OGD + \angle GDO =180^{\circ}

STEP 4

Substitute the given and derived values into the equation. Angle DOG is a right angle, so its measure is 9090^{\circ}. Angle GDO is given as 3232^{\circ}, and angle OGD is the sum of angles DOS and SOG, which are both xx.
90+32+2x=18090^{\circ} +32^{\circ} +2x =180^{\circ}

STEP 5

implify the equation to find the value of xx.
2x=18090322x =180^{\circ} -90^{\circ} -32^{\circ}

STEP 6

Calculate the value on the right side of the equation.
2x=582x =58^{\circ}

STEP 7

Divide each side of the equation by2 to solve for xx.
x=58/2x =58^{\circ} /2

STEP 8

Calculate the value of xx.
x=29x =29^{\circ}

STEP 9

Now that we have the value of xx, we can find the measure of angle OSG. Angle OSG is the sum of angles DOS and SOG, which are both xx.
OSG=2x\angle OSG =2x

STEP 10

Substitute the value of xx into the equation.
OSG=2times29\angle OSG =2 \\times29^{\circ}

STEP 11

Calculate the measure of angle OSG.
OSG=times29=58\angle OSG = \\times29^{\circ} =58^{\circ}So, the measure of angle OSG is 5858^{\circ}.

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