Lpeon 44 Meoure Angn.g Jpca Downg-Page I Llse a protractor. What is the measure of this angle? A 56 C 124 64 D. 136 Strategy . C The measure of the angle is greater than a right angle, so use the outer scale. The left ray aligns with the 124" mark on the protractor. Knowing which scale to use will help you eliminate answers ed cach question. Select the correct answer. O L'se a protractor. What is the measure of this angle? Use a protractor. What ia the meaaure of this angle? B. 143 A. 157 C. 43 A. 58 O. 37 B. 62 D. 122 C. 118 The measure of angle EGH is 142". What is the measure of angle FGH? 5 The measure of angle JI.M is 90*. What is the measure of angle JLK? A 53 - 89 B. 63° B. 118* D. 62* A. 122 D. 231° To angles are shown, What is the sum the angles? C. 72° Three angles are shown. What is the sum of the angles? 40 67 45 В. 75° A. 85 D. 95° В. 107° С. 152° D. 162

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A: To determine the measure of angle X and angle Y.

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A:

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A:

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A:

Q: Find the unknown value in the proportion. 2 9 36 II

A: Let the unknown number be x Given Condition: 29=x36

Angles in Circles

Angles within a circle are feasible to create with the help of different properties of the circle such as radii, tangents, and chords. The radius is the distance from the center of the circle to the circumference of the circle. A tangent is a line made perpendicular to the radius through its endpoint placed on the circle as well as the line drawn at right angles to a tangent across the point of contact when the circle passes through the center of the circle. The chord is a line segment with its endpoints on the circle. A secant line or secant is the infinite extension of the chord.

Arcs in Circles

A circular arc is the arc of a circle formed by two distinct points. It is a section or segment of the circumference of a circle. A straight line passing through the center connecting the two distinct ends of the arc is termed a semi-circular arc.