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antoniya [11.8K]
3 years ago
8

How to find the area of irregular figures

Mathematics
1 answer:
Cloud [144]3 years ago
3 0
Instead, break down the shape into rectangles. Next, calculate the area of both rectangles and add them together. The area of the first rectangle is 72 square centimeters and the area of the second rectangle is 50 square centimeters. Together there are 72 + 50 = 122 square centimeters.

That is how u find a irregular figure..hope this help u
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Han wrote a proof that triangle BCD is congruent to triangle DAB. Han's proof is incomplete. Which step is missing some informat
Ede4ka [16]

Answer:

The answer is below

Step-by-step explanation:

From the image, we can see that DC is parallel to AB.

Step 1:

Alternate interior angles are angles formed at the inner corners of intersection on opposite sides of transversal when two parallel lines are intersected by a transversal.

Since Line AB is parallel to line DC and cut by transversal DB. So angles CDB and ABD are alternate interior angles and must be congruent.

Step 2:

DB ≅ BD (reflexive property of congruence)

Step 3:

∠A = ∠C = 90° (right angles, given). But to prove that both triangles are congruent, the correct step 3 is:

Since, ∠A = ∠C = 90° and angles CDB and ABD are congruent. This means that the third angles in the both triangles are also congruent. Hence, angle ADB and CBD are must be congruent.

Step 4:

BD = DB, angles CDB and ABD  are congruent, angle ADB and CBD are congruent.

Therefore,  By the Angle-Side-Angle Triangle Congruence Theorem, triangle BCD is congruent to triangle DAB .

4 0
2 years ago
Help me out please! i really need it
otez555 [7]

Answer:

x=14

Step-by-step explanation:

to find x you have to isolate it so you divide 3 by both sides and that leaves you with the answer

3 0
2 years ago
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What is the probability of throwing 2 dice and getting the sum of 12?
Natasha_Volkova [10]

Answer:

1/36

Step-by-step explanation:

P(6,6) = 1/6 x 1/6 = 1/36

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Answer:

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8/25 write as a percent
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