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Mathematics

1 answer:

earnstyle [38]4 years ago

4 0

First, find the area of each of the prisms sides

5 by 5.5 = 27.5

3 by 5.5 = 16.5

4 by 3 cut in half = 6 (theres 2 of thoses so 12)

4 by 5.5 = 22

Add up the products and the surface area is 78 units

Post brainliest if this helped :)

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SOMEONE PLZZZ HELP ME THIS IS DUE IN LIKE 5 MINS (I WILL MARK BRAINLIEST)

andrew-mc [135]

Answer:

1) x = 8

2) ∠RPS = 36°

Step-by-step explanation:

GIVEN :-

∠QPS = 180°
∠QPR = 7x + 88
∠RPS = 3x + 12

TO FIND :-

Value of x
Measure of ∠RPS

FACTS TO KNOW BEFORE SOLVING :-

In a straight line , if there are two angles such that their sum is equal to straight angle (or 180° in other words) , then those angles are known as linear pair.

PROCEDURE :-

Measure of ∠QPS = 180° and it comprises of ∠QPR & ∠RPS.

⇒ ∠QPR & ∠RPS are linear pair.

⇒ ∠QPR + ∠RPS = 180°

⇒ 7x + 88 + 3x + 12 = 180°

⇒ 10x + 100 = 180

⇒ 10x = 180 - 100 = 80

⇒ x = 80/10 = 8

x = 8. So,

∠RPS = 3×8 + 12 = 24 + 12 = 36°

8 0

3 years ago