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Find the missing side 17 cm 1319 a area = 25 cm²

Find the missing side 17 cm 1319 a area = 25 cm²
asked 44.4k views
3 votes
Find the missing side
17 cm
1319
a
area = 25 cm²

Find the missing side 17 cm 1319 a area = 25 cm²-example-1
asked
User Nobel
by
7.7k points

2 Answers

4 votes
Use of Sine formula

Area = 0.5 x sin (A) x a x b


25 = 0.5 x sin (131) x 17 x a

sin 131 = 0.7547

a = (25) / (0.5 x 0,7547 x 17)
= 25 / 6.415
= 3.897 cm
answered
User Daxnitro
by
8.8k points
2 votes

Answer:

a= 2.9cm

Explanation:

area =25 so 17a=50

50/17=2.941176...

answered
User Kosnik
by
8.0k points
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