3 years ago

In triangle abc b is a right angle and a is 20 degrees greater than

Mathematics

1 answer:

MatroZZZ [7]3 years ago

8 0

Answer:

Step-by-step explanation:

let ∠c=x

∠a=x+20

∠a+∠b+∠c=180

x+20+x+90=180

2x=180-110=70

x=35

∠c=35°

∠b=90°

∠a=35+20=55°

You might be interested in

What would you do if you didn’t know what the values of the denominators were, such as when there are variables in the denominat

schepotkina [342]

The answer is going to be 1 because anytime u have a varible by itself you always have to put a one before it. so your fraction would be 1/1+1/1=2/1

5 0

4 years ago

Read 2 more answers

HELP NEED THIS NOW

Igoryamba

Answer:

Step-by-step explanation:

<h3>tax rate = 7.75%</h3><h3>sale prize = $804.99</h3><h3>tax = (804.99 × 7.75) / 100</h3><h3> = 62.38</h3><h3>amount with tax = $804.99 + $62.38</h3><h2> = $867.37</h2>

<h2>MARK ME AS BRAINLIST</h2>

5 0

3 years ago

If the hypotenuse of a triangle is 13 and one of the legs is 4, what is the range

dlinn [17]

C - b = a
(13*13) - (4*4) = a
169 - 16 = 153(answer)

3 0

3 years ago

CHALLENGE There are 8 people on a committee. Each time they meet, they shake hands with each other so that each person shakes ev

Schach [20]

Answer:

64 handshakes

Step-by-step explanation:

SO i would do:

1 person x 8 handshakes

8x8=64

8 people 8 hand shakes each

7 0

3 years ago

How do you solve this? (#11/#12)

zepelin [54]

$\text{If}\ x_1,\ \text{and}\ x_2\ \text{are zeros of a polynomial function, then the function}\\\text{has equation}:\\\\f(x)=a(x-x_1)(x-x_2).\\----------------------------\\\\11.\ \text{We have the zeros}\ 3\ \text{and}\ i:\\\\f(x)=(x-3)(x-i)=(x)(x)+(x)(-i)+(-3)(x)+(-3)(-i)\\\\=x^2-xi-3x+3i=\boxed{x^2-(3+i)x+3i}\\\\12.\ \text{We have the zeros}\ -2\ \text{and}\ 2i:\\\\f(x)=(x-(-2))(x-2i)=(x+2)(x-2i)\\\\=x^2-(2i)^2=x^2-2^2i^2=x^2-4(-1)=\boxed{x^2+4}\\\\\text{used}\\\\(a-b)(a+b)=a^2-b^2\\\\i=\sqrt{-1}\to i^2=-1$

3 0

3 years ago