Answer:
r = 19.2deg
Step-by-step explanation:
6r + 5 = 30 + 90 (exterior angles of a triangle)
6r = 115
r = 19.2deg (1dp)
Topic: Angles
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Answer:
-63
Step-by-step explanation:
Answer:
140
Step-by-step explanation:
times 10 and 14 together
Answer:
First Bag: 15kg
Second Bag: 22.5kg
Third Bag: 52.5kg
Step-by-step explanation:
90 / 12 = 7.5
2 x 7.5 = 15
3 x 7.5 = 22.5
7 x 7.5 = 52.5