3 years ago

Can someone pls help and ty

Mathematics

2 answers:

IgorC [24]3 years ago

7 0

Answer:

16.3

Step-by-step explanation:

I'm assuming side a is the hypotenuse.

Cosine rule is $a=\sqrt{a^{2} +b^{2}-2ab*cosC }$

so $\sqrt{10^{2}+8^{2} -2*10*8*cos130}$ = 16.33542217

The attached picture is a diagram if you are confused

The labelling of the sides doesn't matter as long as the unknown side is c

SOVA2 [1]3 years ago

4 0

Answer:

well its obtuse and obtuse triangles are more than a right angle or should i say not 90* degrees

Step-by-step explanation:

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