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melomori [17]
3 years ago
10

QRST is a parallelogram. Find b.

Mathematics
2 answers:
Ilya [14]3 years ago
7 0

Because QRST is a parallelogram,

QR = TS, or

b+11=2b, so

b=11.

Anna11 [10]3 years ago
6 0

Parallelogram ⇒ Opposite sides are equal

b + 11 = 2b

.

<u>Solve b:</u>

b + 11 = 2b

2b - b = 11

b = 11

.

Answer: b = 11

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