M R 2. Given: RD and AD are tangent to O G at R and A, respectively, G' E and intersect at the exterior A point S Prove: meRDA = (MREA – mŔÃ) STATEMENTS REASONS 1. Given 1. RD and AD are tangent to OG at R and A, respectively, and intersect at the exterior point S 2. 2. Two points determine a line 3. 3. MLARM =mREA and MRAD = 4. MLARM = MRAD + m2D 4. 5. Substitution 5. 6. 6. MLRDA = ÷ (MREA- mRA)

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter6: Circles
Section6.CT: Test
Problem 6CT: Given the tangents with mRT=146, find : a mRST b m3
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M
2. Given: RD and AD are tangent to 0
G
at R and A, respectively,
G'
E
and
intersect at the exterior
A
point S
Prove: m<RDA = ÷(MREA – mRA)
STATEMENTS
REASONS
1. Given
1. RD and AD are tangent to OG
at R and A, respectively, and
intersect at the exterior point S
2.
2. Two points determine a line
3. MLARM =-MREA and MLRAD =
4. MLARM = MLRAD + mLD
4.
5.
5. Substitution
6. MLRDA =÷(MREĀ – mRA)
6.
3.
Transcribed Image Text:M 2. Given: RD and AD are tangent to 0 G at R and A, respectively, G' E and intersect at the exterior A point S Prove: m<RDA = ÷(MREA – mRA) STATEMENTS REASONS 1. Given 1. RD and AD are tangent to OG at R and A, respectively, and intersect at the exterior point S 2. 2. Two points determine a line 3. MLARM =-MREA and MLRAD = 4. MLARM = MLRAD + mLD 4. 5. 5. Substitution 6. MLRDA =÷(MREĀ – mRA) 6. 3.
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