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IRISSAK [1]
3 years ago
10

I need help plzzzzzzzzz

Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
6 0
You need to create a right triangle and use a^2+b^2=c^2 to find the hypotenuse
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How do i find the percentage if my number correct is 68 and my total is 85?
Andreyy89
68 divided by 85 multiply by 100
68/85=0.8 x 100= 80%
8 0
3 years ago
Please help fast........
Neko [114]

Answer:

b

Step-by-step explanation:

8 0
3 years ago
How do I find the value of x for a pair of congruent triangles
Andreyy89
Hi there!

For congruent triangles, all angle measures and sides are congruent. So, if you look at the other triangle, and find the corresponding side, it will be the same measure.

Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
6 0
3 years ago
Someone please help me with this one quick
astraxan [27]

The length of AC is 16 km.

Solution:

Given data:

AB = c = 14 km, ∠A = 30° and ∠B = 89°

AC = b = ?

<u>Let us first find angle C:</u>

<em>Sum of all angles in a triangle = 180°</em>

m∠A+ m∠B + m∠C = 180°

30° + 89° + m∠C = 180°

119° + m∠C = 180°

Subtract 119° from both sides, we get

m∠C = 61°

<u>To find the length of AC:</u>

<em>Using sine formula:</em>

$\frac{b}{\sin B } =\frac{c}{\sin C}

Substitute the given values in the formula.

$\frac{b}{\sin 89^\circ } =\frac{14}{\sin 61^\circ }

Multiply by sin 89° on both sides.

$\sin 89^\circ \times \frac{b}{\sin 89^\circ } =\frac{14}{\sin 61^\circ } \times \sin 89^\circ

$b=\frac{14}{0.8746 } \times0.9998

b=16

The length of AC is 16 km.

4 0
3 years ago
Need help with these 2 questions pls help me will mark brainiest.
algol13

Answer:

B and A

Step-by-step explanation:

4 0
3 years ago
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