1 answer:
Answer:
A: 90° B: 67° c: 23° D: 67° E: 90° F: 23°
Step-by-step explanation:
A: 90° known
B: 67° 90-∠C=90-23=67
C: 23° known
D: 67° similar triangle property
E: 90° known
F: 23° similar triangle property
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Step-by-step explanation:
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6 chalk boards x 3 grades = 18 chalk boards
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Step-by-step explanation: