fie abc un triunghi cu masura unghiului a de 90 de grade ab este 6 cm bc=10 si ca=8 calculati;sin b; tg b; sin c; tg c; cos b; ctg b; cos c; ctg c

Answers

Answer 1

Answer: sinB = cosC = AC / BC = 8/10 = 4/5;
tgB = ctg C = AC/AB = 8/6 = 4/3, because we use T. Pitagora for calculating AB;
sinC = cosB = AB/ BC = 6/10 = 3/5;
tgC = ctgB = AB/ AC = 6/8 = 3/4.

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Sharon’s turtle escaped from her backyard sometime in the last few hours. According to her calculations, the farthest the turtle could have gone is 4 blocks down the road in either direction. If Sharon lives on the 112th block of town, which equation can be used to find the block numbers that represent the farthest distance that the turtle may be?

Answers

The farthest distance of the turtle can be solved with the following equations:

x = 112 + 4
x = 112 - 4

By solving the equations, we conclude that the turtle can be found either in the 116th block or the 108th block.

Answer:

its B :)

Step-by-step explanation:

If the smallest angle of a triangle is 20 degrees and it is included between sides of 4 and 7, then (to the nearest tenth) the smallest side of the triangle is 3.2 - true or false?

Answers

Answer:

The answer is False

Step-by-step explanation:

we know that

Applying the law of cosines, find the length of the third side of the triangle

$c^(2)= a^(2)+b^(2)-2abcos(C)$

In this problem we have

$a=4\ units, b=7\ units, C=20\°$

substitute the values and solve for c

$c^(2)= 4^(2)+7^(2)-2*(4*7)*cos(20\°)$

$c= 3.5\ units$ -------> smallest side of the triangle

therefore

$3.5\neq 3.2$

Hello,
Al 'Kashi theorem says:

a²=4²+7²-2*4*7*cos 20°=12.37721...
==>a=3.518126381...≈3.5 ==>False.

What is 1 1/5 times 2 1/4

Answers

11 divided by 5 is 2.2 and you multiply that by 2 1/4 which is 2.25 in decimal form. The answer is 4.95

Turn 1 1/5 into an improper fracrion witch would be 6/5 and so the same for 2 1/4 witch would be 9/4 then you would multiply an d simplify to get 1 4/5

Increase £60 by 10%?

Answers

10% of 60 is 6. So, 60 + 6 (10%) = 66

What is the area, in square meters, of the shaded part of the rectangle below?6 m
14 m
13 m

Answers

Answer:

130 square metres

Step-by-step explanation:

The shaded area is a trapezium.

Therefore, the rule for its area is base1+base2/2xh

base1=6

base2=14

height = 13

Therefore, 6+14/2 x 13

= 130

Hope that helped!!! k

Answer:

130 meters squared

Step-by-step explanation:

14-6=8

8*13/2=52

14*13=182

182-52=130 meters

Is 3/8 greater than 1/8

Answers

yes 3/8 is bigger that 1/8 because there is 2 more 8ths added to it

3/8 is greater than 1/8.

HOPE THIS HELPED
:)

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