4. Calculate the area of the triangle. 20 mm 11 mm

1 answer:

6 0

I am assuming 20mm = breadth and 11mm = height

Ar of Triangle = 1/2 x b x h
= 1/2 x 20 x 11
= 110mm^2

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marta [7]

AB is the longest side, so ∠C is the largest angle.
use law of cosine: 16²=9²+12²-2*9*12cosC
216cosC=81+144-256=-31
cosC=-0.14352
C≈98

6 0

3 years ago

ad-work [718]

Answer:
6.58 x 10^-3

Explanation:
Moving the decimal place till it’s in front of the 6

3 0

2 years ago

RideAnS [48]

Answer:

an estimate would be 2000/4 so it would be 500

Step-by-step explanation:

hope this helped <3

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2 years ago

larisa [96]

A,x=
$log(55.25) \div 3 log(6)$
=0.7464,by the way

8 0

3 years ago

zalisa [80]

3y + 20 = 3 + 2y

3y- 2y = 3-20

y = -17

3 0

3 years ago