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31 March, 09:50

Y10F Set 8 assignment 3

Ds

Overview

Homework Progress

9123 Marks

Question Progress

The three inside angles (A, B and C) of a right-angled triangle

are in the ratio 7: 18:11

The smallest angle is 35°

Work out angles A, B and C.

acerhw

+3
Answers (1)
  1. 31 March, 10:48
    0
    see below

    Step-by-step explanation:

    The smallest angle (35°) must be A because it is the smallest ratio. We can write A, B, and C as 7x, 18x, and 11x and since we know A = 35°, 7x = 35 and x = 5 which means B = 18 * 5 = 90° and C = 11 * 5 = 55°.
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