in a triangle PQR, p=7.5cm, q=10cm, r=9.1cm. find the largest angle in the triangle using cosine rule.

1 answer:

5 0

73.37°

Mark brainliest please

Hope this helps you

You might be interested in

77julia77 [94]

Your Answer is -3/7 so C

3 0

3 years ago

Nonamiya [84]

5 times because 6*5=30

5 0

3 years ago

Olenka [21]

Answer:

x(1 - .4)

Step-by-step explanation:

x = regular price.

1 - .4 = .6 = 60%

The sale price is equal to the full price (aka x) minus the discounted price (40% of x = 40/100 times x = .4x)

Therefore sale price = x - .4x or x(1 - .4)

4 0

3 years ago

Anon25 [30]

6.8,6.827,6.86,6.9

1.2,1.203,12.03, 12.301,12.31

6 0

3 years ago

Mama L [17]

9

Because 9x2 is 18+7=25

3 0

3 years ago

in a triangle PQR, p=7.5cm, q=10cm, r=9.1cm. find the largest angle in the triangle using cosine rule.​