1. MS = 17
TO = 21
MS = 3x + 5 TO = 3x + 9
MS = TO
3x + 5 = 3x +9
3x - 3x = 9 - 5
MS = 3x + 5
= 3(4)+5
= 12+5
TO = 3x +9
= 3(4)+9
= 12+9
2. m∠TAM = 77
m∠TAM = 180 - m∠MAO
= 180 - 103
3. A = 50m
A = lw
A = 10m(5m)
4. BC = 10cm
5. m∠DEA = 48
m∠BDC = 48
m∠DBA = 5x + 18 m∠BDC = 3x + 30
∠DEA = ∠BDC
5x + 18 = 3x + 30
5x-3x = 30-18
2x/2 = 12/2
∠BEA = 5x + 18
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Answers & Comments
MOST is a rectangle
1. MS = 17
TO = 21
MS = 3x + 5 TO = 3x + 9
MS = TO
3x + 5 = 3x +9
3x - 3x = 9 - 5
MS = 3x + 5
= 3(4)+5
= 12+5
TO = 3x +9
= 3(4)+9
= 12+9
2. m∠TAM = 77
m∠TAM = 180 - m∠MAO
= 180 - 103
3. A = 50m
A = lw
A = 10m(5m)
ABCD is an isosceles trapezoid
4. BC = 10cm
5. m∠DEA = 48
m∠BDC = 48
m∠DBA = 5x + 18 m∠BDC = 3x + 30
∠DEA = ∠BDC
5x + 18 = 3x + 30
5x-3x = 30-18
2x/2 = 12/2
∠BEA = 5x + 18
#![\color{lime}{CarryOnLearning} \color{lime}{CarryOnLearning}](https://tex.z-dn.net/?f=%5Ccolor%7Blime%7D%7BCarryOnLearning%7D)