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primary 5 | Maths
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helppp
Date Posted: 7 years ago
Views: 506
All three sides of the triangle adds up to 180°, so subtract the two numbers given from 180° (eg. 180°-72°-69°=[answer]).
for (c) it's a right-angled triangle (90°), so 180°-90°-63°={answer}.
for (c) it's a right-angled triangle (90°), so 180°-90°-63°={answer}.
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