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Ray Of Light [21]
3 years ago
7

This drawing shows an Isosceles triangle. Work out the size of angle a. ​

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
8 0
50 degrees

All triangles have 180 degrees total.

Since it’s an isosceles triangle, the 2 bottom angles are congruent; thus, they have the same angle measurement.

Now just subtract the two angles from 180 to get the third angle.

180 - 65 - 65 = 50
You might be interested in
What is the measure of one of the base angles of your saucily triangle if the measure of the vertex angle is 98°
wlad13 [49]

Step 1

An isosceles triangle is a triangle that has two sides of equal length. Sometimes it is specified as having exactly two sides of equal length, and sometimes as having at least two sides of equal length.

Step 2

Since the sides of an isosceles triangle are equal it follows that the base angles are equal too. The vertex angle = 98°. The sum of angles in a triangle is 180°.

Therefore, if the base angles are both x,

98^{\circ}+x+x=180^{\circ}(sum\text{ of angles in a triangle)}\begin{gathered} 98+2x=180 \\ 2x=180-98 \\ 2x=82 \\ \frac{2x}{2}=\frac{82}{2} \\ x=41^{\circ} \end{gathered}

Therefore,

\text{one base angles=41}^{\circ}

4 0
1 year ago
What is the standard form of this complex number?
lianna [129]

Answer:

b is the answer

Step-by-step explanation:

3/5+sqrt-2/5

6 0
3 years ago
Read 2 more answers
Can you solve for x and type the correct code? Please remember to type in ALL CAPS with no spaces.
exis [7]

Answer:

Hypotenuse = 85 cm

Hypotenuse = 89 cm

Hypotenuse = 103.08 cm (Approx.)

Hypotenuse = 54.71 cm (Approx.)

Step-by-step explanation:

Shape 1

Hypotenuse = √Perpendicular² + Base²

Hypotenuse = √36² + 77²

Hypotenuse = √1,296 + 5,929

Hypotenuse = √7,225

Hypotenuse = 85 cm

Shape 2

Hypotenuse = √Perpendicular² + Base²

Hypotenuse = √39² + 80²

Hypotenuse = √1,521 + 6,400

Hypotenuse = √7,921

Hypotenuse = 89 cm

Shape 3

Hypotenuse = √Perpendicular² + Base²

Hypotenuse = √25² + 100²

Hypotenuse = √625 + 10,000

Hypotenuse = √10,625

Hypotenuse = 103.08 cm (Approx.)

Shape 4

Hypotenuse = √Perpendicular² + Base²

Hypotenuse = √17² + 52²

Hypotenuse = √289 + 2,704

Hypotenuse = √2,993

Hypotenuse = 54.71 cm (Approx.)

4 0
3 years ago
June made a design with 6 equal tiles.One tile is yellow 2 tiles are blue and 3 tiles are purple. what fraction of the tiles are
lana66690 [7]

we know that

The fraction of each tile color can be found by dividing the number of tiles for each tile by the total number of tiles, then simplifying the fraction if possible.

Let

N----------> total number of tiles

Y---------> number of yellow tiles

B--------> number of blue tiles

P--------> number of purple tiles

we have

N=6\\ Y=1\\ B=2\\ P=3

<u>1) Find the fraction of yellow tiles</u>

we know that

the fraction of yellow tiles is equal to

Y/N

substitute the values

1/6

<u>2) Find the fraction of purple tiles</u>

we know that

the fraction of purple tiles is equal to

P/N

substitute the values

3/6

<u>3) Find the fraction of yellow tiles or purple tiles</u>

we know that

the fraction of yellow tiles or purple tiles is equal to

(Y/N)+(P/N)=(1/6)+(3/6)=4/6=2/3

therefore

<u>the answer is</u>

2/3


3 0
4 years ago
Read 2 more answers
Olives garden is only 10 yd.² and the watermelon plants she wants to grow require 2.5 yd squared each how many watermelon plants
Ad libitum [116K]

Answer:

The answer is<em> 4.</em>

Step-by-step explanation:

Olives garden has area= 10 yd^2

Each watermelon plants she want to grow require an area= 2.5 yd^2

Hence, the number of watermelon plants she can grow in that garden is given by:

Number of watermelon plants she can grow= (Total area)/( Area 1 watermelon plant requires)

Hence, Number of watermelon plants she can grow= \dfrac{10}{2.5}=4

Hence, she can grow 4 watermelon plants in Olives garden.


7 0
3 years ago
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